p=new Array()
p[1]=new Array()
p[1][2]="1"
p[1][1]="Hydrogen"
p[1][3]="Gas"
p[1][4]="colourless"
p[1][7]="14"
p[1][8]="20"
p[1][5]="@ 20 K: 0.07"
p[1][6]="1 (~100%)"
p[2]=new Array()
p[2][2]="2"
p[2][1]="Helium"
p[2][3]="Gas"
p[2][4]="colourless"
p[2][7]="1"
p[2][8]="4"
p[2][5]="@ 3K: 0.15"
p[2][6]="4 (100%)"
p[3]=new Array()
p[3][2]="3"
p[3][1]="Lithium"
p[3][3]="Solid"
p[3][4]="silvery white"
p[3][7]="454"
p[3][8]="1615"
p[3][5]="0.53"
p[3][6]="7 (93%)"
p[4]=new Array()
p[4][2]="4"
p[4][1]="Beryllium"
p[4][3]="Solid"
p[4][4]="white grey"
p[4][7]="1551"
p[4][8]="3243"
p[4][5]="1.85"
p[4][6]="9 (100%)"
p[5]=new Array()
p[5][2]="5"
p[5][1]="Boron"
p[5][3]="Solid"
p[5][4]="blue"
p[5][7]="2573"
p[5][8]="3931"
p[5][5]="2.34"
p[5][6]="11 (80%)"
p[6]=new Array()
p[6][2]="6"
p[6][1]="Carbon (graphite)"
p[6][3]="Solid"
p[6][4]="blue black"
p[6][7]="3925"
p[6][8]="5100"
p[6][5]="2.25"
p[6][6]="12 (99%)"
p[7]=new Array()
p[7][2]="7"
p[7][1]="Nitrogen"
p[7][3]="Gas"
p[7][4]="colourless"
p[7][7]="63"
p[7][8]="77"
p[7][5]="@ 77 K: 0.81"
p[7][6]="14 (99.6%)"
p[8]=new Array()
p[8][2]="8"
p[8][1]="Oxygen"
p[8][3]="Gas"
p[8][4]="colourless"
p[8][7]="55"
p[8][8]="90"
p[8][5]="@90 K: 1.15"
p[8][6]="16 (99.8%)"
p[9]=new Array()
p[9][2]="9"
p[9][1]="Fluorine"
p[9][3]="Gas"
p[9][4]="pale yellow"
p[9][7]="53"
p[9][8]="85"
p[9][5]="@ 85 K: 1.51"
p[9][6]="19 (100%)"
p[10]=new Array()
p[10][2]="10"
p[10][1]="Neon"
p[10][3]="Gas"
p[10][4]="colourelss"
p[10][7]="25"
p[10][8]="27"
p[10][5]="@ 27 K: 1.2"
p[10][6]="20 (91%)"
p[11]=new Array()
p[11][2]="11"
p[11][1]="Sodium"
p[11][3]="Solid"
p[11][4]="silvery white"
p[11][7]="371"
p[11][8]="1156"
p[11][5]="0.97"
p[11][6]="23 (100%)"
p[12]=new Array()
p[12][2]="12"
p[12][1]="Magnesium"
p[12][3]="Solid"
p[12][4]="silvery white"
p[12][7]="922"
p[12][8]="1380"
p[12][5]="1.74"
p[12][6]="24 (79%)"
p[13]=new Array()
p[13][2]="13"
p[13][1]="Aluminium"
p[13][3]="Solid"
p[13][4]="silvery"
p[13][7]="933"
p[13][8]="2740"
p[13][5]="2.70"
p[13][6]="27 (100%)"
p[14]=new Array()
p[14][2]="14"
p[14][1]="Silicon"
p[14][3]="Solid"
p[14][4]="white grey blue"
p[14][7]="1683"
p[14][8]="2628"
p[14][5]="2.32"
p[14][6]="28 (92%)"
p[15]=new Array()
p[15][2]="15"
p[15][1]="Phosphorus"
p[15][3]="Solid"
p[15][4]="white"
p[15][7]="317"
p[15][8]="553"
p[15][5]="1.82"
p[15][6]="31 (100%)"
p[16]=new Array()
p[16][2]="16"
p[16][1]="Sulfur/sulphur (monoclinic)"
p[16][3]="Solid"
p[16][4]="yellow"
p[16][7]="392"
p[16][8]="718"
p[16][5]="1.96"
p[16][6]="32 (95%)"
p[17]=new Array()
p[17][2]="17"
p[17][1]="Chlorine"
p[17][3]="Gas"
p[17][4]="yellow green"
p[17][7]="172"
p[17][8]="238"
p[17][5]="@ 238 K: 1.56"
p[17][6]="35 (76%)"
p[18]=new Array()
p[18][2]="18"
p[18][1]="Argon"
p[18][3]="Gas"
p[18][4]="colourless"
p[18][7]="84"
p[18][8]="87"
p[18][5]="@ 87 K: 1.40"
p[18][6]="40 (99%)"
p[19]=new Array()
p[19][2]="19"
p[19][1]="Potassium"
p[19][3]="Solid"
p[19][4]="silvery white"
p[19][7]="336"
p[19][8]="1033"
p[19][5]="0.86"
p[19][6]="39 (93%)"
p[20]=new Array()
p[20][2]="20"
p[20][1]="Calcium"
p[20][3]="Solid"
p[20][4]="silvery white"
p[20][7]="1112"
p[20][8]="1757"
p[20][5]="1.54"
p[20][6]="40 (97%)"
p[21]=new Array()
p[21][2]="21"
p[21][1]="Scandium"
p[21][3]="Solid"
p[21][4]="silvery white"
p[21][7]="1814"
p[21][8]="3104"
p[21][5]="2.99"
p[21][6]="45 (100%)"
p[22]=new Array()
p[22][2]="22"
p[22][1]="Titanium"
p[22][3]="Solid"
p[22][4]="silvery metallic"
p[22][7]="1933"
p[22][8]="3560"
p[22][5]="4.5"
p[22][6]="48 (74%)"
p[23]=new Array()
p[23][2]="23"
p[23][1]="Vanadium"
p[23][3]="Solid"
p[23][4]="silvery grey metallic"
p[23][7]="2163"
p[23][8]="3653"
p[23][5]="5.96"
p[23][6]="51 (99.75%)"
p[24]=new Array()
p[24][2]="24"
p[24][1]="Chromium"
p[24][3]="Solid"
p[24][4]="silvery metallic"
p[24][7]="2130"
p[24][8]="2943"
p[24][5]="7.20"
p[24][6]="52 (84%)"
p[25]=new Array()
p[25][2]="25"
p[25][1]="Manganese"
p[25][3]="Solid"
p[25][4]="silvery metallic"
p[25][7]="1517"
p[25][8]="2235"
p[25][5]="7.20"
p[25][6]="55 (100%)"
p[26]=new Array()
p[26][2]="26"
p[26][1]="Iron"
p[26][3]="Solid"
p[26][4]="lustrous grey metallic"
p[26][7]="1808"
p[26][8]="3023"
p[26][5]="7.86"
p[26][6]="56 (92%)"
p[27]=new Array()
p[27][2]="27"
p[27][1]="Cobalt"
p[27][3]="Solid"
p[27][4]="lustrous grey metallic"
p[27][7]="1768"
p[27][8]="3143"
p[27][5]="8.9"
p[27][6]="59 (100%)"
p[28]=new Array()
p[28][2]="28"
p[28][1]="Nickel"
p[28][3]="Solid"
p[28][4]="lustrous grey metallic"
p[28][7]="1728"
p[28][8]="3003"
p[28][5]="8.90"
p[28][6]="58 (68%)"
p[29]=new Array()
p[29][2]="29"
p[29][1]="Copper"
p[29][3]="Solid"
p[29][4]="orange metallic"
p[29][7]="1356"
p[29][8]="2840"
p[29][5]="8.92"
p[29][6]="63 (69%)"
p[30]=new Array()
p[30][2]="30"
p[30][1]="Zinc"
p[30][3]="Solid"
p[30][4]="blue white grey"
p[30][7]="693"
p[30][8]="1180"
p[30][5]="7.14"
p[30][6]="64 (49%)"
p[31]=new Array()
p[31][2]="31"
p[31][1]="Gallium"
p[31][3]="Solid"
p[31][4]="silvery white"
p[31][7]="303"
p[31][8]="2676"
p[31][5]="5.90"
p[31][6]="69 (60%)"
p[32]=new Array()
p[32][2]="32"
p[32][1]="Germanium"
p[32][3]="Solid"
p[32][4]="grey white"
p[32][7]="1210"
p[32][8]="3103"
p[32][5]="5.35"
p[32][6]="74 (37%)"
p[33]=new Array()
p[33][2]="33"
p[33][1]="Arsenic"
p[33][3]="Solid"
p[33][4]="white grey metallic"
p[33][7]="1090"
p[33][8]="886"
p[33][5]="5.73"
p[33][6]="75 (100%)"
p[34]=new Array()
p[34][2]="34"
p[34][1]="Selenium"
p[34][3]="Solid"
p[34][4]="grey metallic lustrous"
p[34][7]="490"
p[34][8]="958"
p[34][5]="4.81"
p[34][6]="80 (50%)"
p[35]=new Array()
p[35][2]="35"
p[35][1]="Bromine"
p[35][3]="Liquid"
p[35][4]="red brown"
p[35][7]="266"
p[35][8]="332"
p[35][5]="3.12"
p[35][6]="79 (51%)"
p[36]=new Array()
p[36][2]="36"
p[36][1]="Krypton"
p[36][3]="Gas"
p[36][4]="colourless"
p[36][7]="116"
p[36][8]="121"
p[36][5]="@ 121 K: 2.15"
p[36][6]="84 (57%)"
p[37]=new Array()
p[37][2]="37"
p[37][1]="Rubidium"
p[37][3]="Solid"
p[37][4]="white"
p[37][7]="312"
p[37][8]="959"
p[37][5]="1.53"
p[37][6]="85 (72%)"
p[38]=new Array()
p[38][2]="38"
p[38][1]="Strontium"
p[38][3]="Solid"
p[38][4]="silvery white"
p[38][7]="1042"
p[38][8]="1657"
p[38][5]="2.6"
p[38][6]="88 (83%)"
p[39]=new Array()
p[39][2]="39"
p[39][1]="Yttrium"
p[39][3]="Solid"
p[39][4]="silvery white"
p[39][7]="1795"
p[39][8]="3611"
p[39][5]="4.47"
p[39][6]="89 (100%)"
p[40]=new Array()
p[40][2]="40"
p[40][1]="Zirconium"
p[40][3]="Solid"
p[40][4]="silvery white"
p[40][7]="2125"
p[40][8]="4650"
p[40][5]="6.49"
p[40][6]="90 (51%)"
p[41]=new Array()
p[41][2]="41"
p[41][1]="Niobium"
p[41][3]="Solid"
p[41][4]="white grey metallic"
p[41][7]="2740"
p[41][8]="5015"
p[41][5]="8.57"
p[41][6]="93 (100%)"
p[42]=new Array()
p[42][2]="42"
p[42][1]="Molybdenum"
p[42][3]="Solid"
p[42][4]="white grey metallic"
p[42][7]="2883"
p[42][8]="4885"
p[42][5]="10.2"
p[42][6]="98 (24%)"
p[43]=new Array()
p[43][2]="43"
p[43][1]="Technetium"
p[43][3]="Solid"
p[43][4]="silvery grey metallic"
p[43][7]="2445"
p[43][8]="5150"
p[43][5]="11.50"
p[43][6]="-"
p[44]=new Array()
p[44][2]="44"
p[44][1]="Ruthenium"
p[44][3]="Solid"
p[44][4]="silvery white metallic"
p[44][7]="2583"
p[44][8]="4173"
p[44][5]="12.30"
p[44][6]="102 (32%)"
p[45]=new Array()
p[45][2]="45"
p[45][1]="Rhodium"
p[45][3]="Solid"
p[45][4]="silvery white metallic"
p[45][7]="2239"
p[45][8]="4000"
p[45][5]="12.4"
p[45][6]="103 (100%)"
p[46]=new Array()
p[46][2]="46"
p[46][1]="Palladium"
p[46][3]="Solid"
p[46][4]="silvery white metallic"
p[46][7]="1827"
p[46][8]="3243"
p[46][5]="12.02"
p[46][6]="106 (27%)"
p[47]=new Array()
p[47][2]="47"
p[47][1]="Silver"
p[47][3]="Solid"
p[47][4]="silvery"
p[47][7]="1235"
p[47][8]="2485"
p[47][5]="10.5"
p[47][6]="107 (51%)"
p[48]=new Array()
p[48][2]="48"
p[48][1]="Cadmium"
p[48][3]="Solid"
p[48][4]="silvery grey metallic"
p[48][7]="594"
p[48][8]="1038"
p[48][5]="8.64"
p[48][6]="114 (29%)"
p[49]=new Array()
p[49][2]="49"
p[49][1]="Indium"
p[49][3]="Solid"
p[49][4]="silvery grey lustrous"
p[49][7]="429"
p[49][8]="2353"
p[49][5]="7.30"
p[49][6]="115 (96%)"
p[50]=new Array()
p[50][2]="50"
p[50][1]="Tin"
p[50][3]="Solid"
p[50][4]="silvery grey lustrous"
p[50][7]="505"
p[50][8]="2533"
p[50][5]="7.28"
p[50][6]="120 (33%)"
p[51]=new Array()
p[51][2]="51"
p[51][1]="Antimony"
p[51][3]="Solid"
p[51][4]="silvery grey lustrous"
p[51][7]="904"
p[51][8]="2023"
p[51][5]="6.68"
p[51][6]="121 (57%)"
p[52]=new Array()
p[52][2]="52"
p[52][1]="Tellurium"
p[52][3]="Solid"
p[52][4]="silvery grey lustrous"
p[52][7]="723"
p[52][8]="1263"
p[52][5]="6.00"
p[52][6]="130 (34%)"
p[53]=new Array()
p[53][2]="53"
p[53][1]="Iodine"
p[53][3]="Solid"
p[53][4]="violet grey lustrous"
p[53][7]="387"
p[53][8]="457"
p[53][5]="4.93"
p[53][6]="127 (100%)"
p[54]=new Array()
p[54][2]="54"
p[54][1]="Xenon"
p[54][3]="Gas"
p[54][4]="colouless"
p[54][7]="161"
p[54][8]="166"
p[54][5]="@164 K:3.52"
p[54][6]="132 (27%)"
p[55]=new Array()
p[55][2]="55"
p[55][1]="Caesium"
p[55][3]="Solid"
p[55][4]="silvery white"
p[55][7]="302"
p[55][8]="942"
p[55][5]="1.88"
p[55][6]="133 (100%)"
p[56]=new Array()
p[56][2]="56"
p[56][1]="Barium"
p[56][3]="Solid"
p[56][4]="silvery white"
p[56][7]="998"
p[56][8]="1913"
p[56][5]="3.51"
p[56][6]="138 (72%)"
p[57]=new Array()
p[57][2]="57"
p[57][1]="Lanthanum"
p[57][3]="Solid"
p[57][4]="silvery white"
p[57][7]="1194"
p[57][8]="3730"
p[57][5]="6.18"
p[57][6]="139 (99.91%)"
p[58]=new Array()
p[58][2]="58"
p[58][1]="Cerium"
p[58][3]="Solid"
p[58][4]="silvery white"
p[58][7]="1071"
p[58][8]="3699"
p[58][5]="6.78"
p[58][6]="140 (88%)"
p[59]=new Array()
p[59][2]="59"
p[59][1]="Praseodymium"
p[59][3]="Solid"
p[59][4]="silvery white yellowish"
p[59][7]="1204"
p[59][8]="3785"
p[59][5]="6.77"
p[59][6]="141 (100%)"
p[60]=new Array()
p[60][2]="60"
p[60][1]="Neodymium"
p[60][3]="Solid"
p[60][4]="silvery white yellowish"
p[60][7]="1289"
p[60][8]="3341"
p[60][5]="7"
p[60][6]="142 (27%)"
p[61]=new Array()
p[61][2]="61"
p[61][1]="Promethium"
p[61][3]="Solid"
p[61][4]="metallic"
p[61][7]="1204"
p[61][8]="3785"
p[61][5]="6.48"
p[61][6]="-"
p[62]=new Array()
p[62][2]="62"
p[62][1]="Samarium"
p[62][3]="Solid"
p[62][4]="silvery white"
p[62][7]="1345"
p[62][8]="2064"
p[62][5]="7.54"
p[62][6]="152 (27%)"
p[63]=new Array()
p[63][2]="63"
p[63][1]="Europium"
p[63][3]="Solid"
p[63][4]="silvery white"
p[63][7]="1090"
p[63][8]="1870"
p[63][5]="5.26"
p[63][6]="153 (52%)"
p[64]=new Array()
p[64][2]="64"
p[64][1]="Gadolinium"
p[64][3]="Solid"
p[64][4]="silvery white"
p[64][7]="1585"
p[64][8]="3539"
p[64][5]="7.89"
p[64][6]="158 (25%)"
p[65]=new Array()
p[65][2]="65"
p[65][1]="Terbium"
p[65][3]="Solid"
p[65][4]="silvery white"
p[65][7]="1630"
p[65][8]="3496"
p[65][5]="8.27"
p[65][6]="159 (100%)"
p[66]=new Array()
p[66][2]="66"
p[66][1]="Dysprosium"
p[66][3]="Solid"
p[66][4]="silvery white"
p[66][7]="1682"
p[66][8]="2835"
p[66][5]="8.54"
p[66][6]="164 (28%)"
p[67]=new Array()
p[67][2]="67"
p[67][1]="Holmium"
p[67][3]="Solid"
p[67][4]="silvery white"
p[67][7]="1743"
p[67][8]="2968"
p[67][5]="8.8"
p[67][6]="165 (100%)"
p[68]=new Array()
p[68][2]="68"
p[68][1]="Erbium"
p[68][3]="Solid"
p[68][4]="silvery white"
p[68][7]="1795"
p[68][8]="3136"
p[68][5]="9.05"
p[68][6]="174 (32%)"
p[69]=new Array()
p[69][2]="69"
p[69][1]="Thulium"
p[69][3]="Solid"
p[69][4]="silvery white"
p[69][7]="1818"
p[69][8]="2220"
p[69][5]="9.33"
p[69][6]="169"
p[70]=new Array()
p[70][2]="70"
p[70][1]="Ytterbium"
p[70][3]="Solid"
p[70][4]="silvery white"
p[70][7]="1097"
p[70][8]="1467"
p[70][5]="6.68"
p[70][6]="174"
p[71]=new Array()
p[71][2]="71"
p[71][1]="Lutetium"
p[71][3]="Solid"
p[71][4]="silvery white"
p[71][7]="1936"
p[71][8]="3668"
p[71][5]="9.84"
p[71][6]="175"
p[72]=new Array()
p[72][2]="72"
p[72][1]="Hafnium"
p[72][3]="Solid"
p[72][4]="white grey steel"
p[72][7]="2500"
p[72][8]="5470"
p[72][5]="13.31"
p[72][6]="180"
p[73]=new Array()
p[73][2]="73"
p[73][1]="Tantalum"
p[73][3]="Solid"
p[73][4]="blue white grey"
p[73][7]="3269"
p[73][8]="5700"
p[73][5]="16.6"
p[73][6]="181"
p[74]=new Array()
p[74][2]="74"
p[74][1]="Tungsten"
p[74][3]="Solid"
p[74][4]="white lustrous"
p[74][7]="3683"
p[74][8]="5933"
p[74][5]="19.35"
p[74][6]="184"
p[75]=new Array()
p[75][2]="75"
p[75][1]="Rhenium"
p[75][3]="Solid"
p[75][4]="greyish white"
p[75][7]="3453"
p[75][8]="5900"
p[75][5]="20.53"
p[75][6]="187"
p[76]=new Array()
p[76][2]="76"
p[76][1]="Osmium"
p[76][3]="Solid"
p[76][4]="blue white grey"
p[76][7]="2973"
p[76][8]="5570"
p[76][5]="22.48"
p[76][6]="192"
p[77]=new Array()
p[77][2]="77"
p[77][1]="Iridium"
p[77][3]="Solid"
p[77][4]="silvery white"
p[77][7]="2683"
p[77][8]="4403"
p[77][5]="22.42"
p[77][6]="193"
p[78]=new Array()
p[78][2]="78"
p[78][1]="Platinum"
p[78][3]="Solid"
p[78][4]="grey white"
p[78][7]="2045"
p[78][8]="4100"
p[78][5]="21.45"
p[78][6]="195"
p[79]=new Array()
p[79][2]="79"
p[79][1]="Gold"
p[79][3]="Solid"
p[79][4]="golden shiny"
p[79][7]="1337"
p[79][8]="3353"
p[79][5]="18.88"
p[79][6]="197"
p[80]=new Array()
p[80][2]="80"
p[80][1]="Mercury"
p[80][3]="Liquid"
p[80][4]="silvery white"
p[80][7]="234"
p[80][8]="630"
p[80][5]="13.59"
p[80][6]="202"
p[81]=new Array()
p[81][2]="81"
p[81][1]="Thallium"
p[81][3]="Solid"
p[81][4]="slivery white"
p[81][7]="577"
p[81][8]="1730"
p[81][5]="11.85"
p[81][6]="205"
p[82]=new Array()
p[82][2]="82"
p[82][1]="Lead"
p[82][3]="Solid"
p[82][4]="bluish white"
p[82][7]="601"
p[82][8]="2013"
p[82][5]="11.34"
p[82][6]="208"
p[83]=new Array()
p[83][2]="83"
p[83][1]="Bismuth"
p[83][3]="Solid"
p[83][4]="reddish white lustrous"
p[83][7]="544"
p[83][8]="1833"
p[83][5]="9.8"
p[83][6]="209"
p[84]=new Array()
p[84][2]="84"
p[84][1]="Polonium"
p[84][3]="Solid"
p[84][4]="silvery"
p[84][7]="527"
p[84][8]="1235"
p[84][5]="9.4"
p[84][6]="210"
p[85]=new Array()
p[85][2]="85"
p[85][1]="Astatine"
p[85][3]="Solid"
p[85][4]="metallic"
p[85][7]="575"
p[85][8]="610"
p[85][5]="?"
p[85][6]="-"
p[86]=new Array()
p[86][2]="86"
p[86][1]="Radon"
p[86][3]="Gas"
p[86][4]="colourless"
p[86][7]="202"
p[86][8]="211"
p[86][5]="@211 K: 4.4"
p[86][6]="219, 220, 222 (all trace amounts)"
p[87]=new Array()
p[87][2]="87"
p[87][1]="Francium"
p[87][3]="Solid"
p[87][4]="metallic"
p[87][7]="300"
p[87][8]="950"
p[87][5]="?"
p[87][6]="223"
p[88]=new Array()
p[88][2]="88"
p[88][1]="Radium"
p[88][3]="Solid"
p[88][4]="metallic"
p[88][7]="973"
p[88][8]="1410"
p[88][5]="5"
p[88][6]="226"
p[89]=new Array()
p[89][2]="89"
p[89][1]="Actinium"
p[89][3]="Solid"
p[89][4]="silvery"
p[89][7]="1323"
p[89][8]="3473"
p[89][5]="10.07"
p[89][6]="228"
p[90]=new Array()
p[90][2]="90"
p[90][1]="Thorium"
p[90][3]="Solid"
p[90][4]="silvery white"
p[90][7]="2023"
p[90][8]="5060"
p[90][5]="11.7"
p[90][6]="232"
p[91]=new Array()
p[91][2]="91"
p[91][1]="Protactinium"
p[91][3]="Solid"
p[91][4]="silvery metallic"
p[91][7]="1870"
p[91][8]="4300"
p[91][5]="15.37"
p[91][6]="231"
p[92]=new Array()
p[92][2]="92"
p[92][1]="Uranium"
p[92][3]="Solid"
p[92][4]="metallic white"
p[92][7]="1405"
p[92][8]="4091"
p[92][5]="19.05"
p[92][6]="238"
p[93]=new Array()
p[93][2]="93"
p[93][1]="Neptunium"
p[93][3]="Solid"
p[93][4]="silvery metal"
p[93][7]="910"
p[93][8]="?"
p[93][5]="20.4"
p[93][6]="-"
p[94]=new Array()
p[94][2]="94"
p[94][1]="Plutonium"
p[94][3]="Solid"
p[94][4]="silvery white"
p[94][7]="914"
p[94][8]="3505"
p[94][5]="19.84"
p[94][6]="-"
p[95]=new Array()
p[95][2]="95"
p[95][1]="Americium"
p[95][3]="Solid"
p[95][4]="silvery white"
p[95][7]="1268"
p[95][8]="2880"
p[95][5]="13.6"
p[95][6]="-"
p[96]=new Array()
p[96][2]="96"
p[96][1]="Curium"
p[96][3]="Solid"
p[96][4]="silver"
p[96][7]="1340"
p[96][8]="3383"
p[96][5]="13.51"
p[96][6]="-"
p[97]=new Array()
p[97][2]="97"
p[97][1]="Berkelium"
p[97][3]="Solid"
p[97][4]="?"
p[97][7]="1259"
p[97][8]="?"
p[97][5]="?"
p[97][6]="-"
p[98]=new Array()
p[98][2]="98"
p[98][1]="Californium"
p[98][3]="Solid"
p[98][4]="?"
p[98][7]="900"
p[98][8]="?"
p[98][5]="?"
p[98][6]="-"
p[99]=new Array()
p[99][2]="99"
p[99][1]="Einsteinium"
p[99][3]="Solid"
p[99][4]="?"
p[99][7]="1133"
p[99][8]="?"
p[99][5]="?"
p[99][6]="-"
p[100]=new Array()
p[100][2]="100"
p[100][1]="Fermium"
p[100][3]="Solid"
p[100][4]="?"
p[100][7]="1800"
p[100][8]="?"
p[100][5]="?"
p[100][6]="-"
p[101]=new Array()
p[101][2]="101"
p[101][1]="Mendelevium"
p[101][3]="Solid"
p[101][4]="?"
p[101][7]="1100"
p[101][8]="?"
p[101][5]="?"
p[101][6]="-"
p[102]=new Array()
p[102][2]="102"
p[102][1]="Nobelium"
p[102][3]="Solid"
p[102][4]="?"
p[102][7]="1100"
p[102][8]="?"
p[102][5]="?"
p[102][6]="-"
p[103]=new Array()
p[103][2]="103"
p[103][1]="Lawrencium"
p[103][3]="Solid"
p[103][4]="?"
p[103][7]="?"
p[103][8]="?"
p[103][5]="?"
p[103][6]="-"
p[104]=new Array()
p[104][2]="104"
p[104][1]="Rutherfordium"
p[104][3]="Solid"
p[104][4]="?"
p[104][7]="?"
p[104][8]="?"
p[104][5]="?"
p[104][6]="260"
p[105]=new Array()
p[105][2]="105"
p[105][1]="Dubnium"
p[105][3]="Solid"
p[105][4]="?"
p[105][7]="?"
p[105][8]="?"
p[105][5]="?"
p[105][6]="-"
p[106]=new Array()
p[106][2]="106"
p[106][1]="Seaborgium"
p[106][3]="Solid"
p[106][4]="?"
p[106][7]="?"
p[106][8]="?"
p[106][5]="?"
p[106][6]="-"
p[107]=new Array()
p[107][2]="107"
p[107][1]="Bohrium"
p[107][3]="Solid"
p[107][4]="?"
p[107][7]="?"
p[107][8]="?"
p[107][5]="?"
p[107][6]="-"
p[108]=new Array()
p[108][2]="108"
p[108][1]="Hassium"
p[108][3]="Solid"
p[108][4]="?"
p[108][7]="?"
p[108][8]="?"
p[108][5]="?"
p[108][6]="-"
p[109]=new Array()
p[109][2]="109"
p[109][1]="Meitnerium"
p[109][3]="Solid"
p[109][4]="?"
p[109][7]="?"
p[109][8]="?"
p[109][5]="?"
p[109][6]="-"
p[1][0]="H"
p[2][0]="He"
p[3][0]="Li"
p[4][0]="Be"
p[5][0]="B"
p[6][0]="C"
p[7][0]="N"
p[8][0]="O"
p[9][0]="F"
p[10][0]="Ne"
p[11][0]="Na"
p[12][0]="Mg"
p[13][0]="Al"
p[14][0]="Si"
p[15][0]="O"
p[16][0]="S"
p[17][0]="Cl"
p[18][0]="Ar"
p[19][0]="K"
p[20][0]="Ca"
p[21][0]="Sc"
p[22][0]="Ti"
p[23][0]="V"
p[24][0]="Cr"
p[25][0]="Mn"
p[26][0]="Fe"
p[27][0]="Co"
p[28][0]="Ni"
p[29][0]="Cu"
p[30][0]="Zn"
p[31][0]="Ga"
p[32][0]="Ge"
p[33][0]="As"
p[34][0]="Se"
p[35][0]="Br"
p[36][0]="Kr"
p[37][0]="Rb"
p[38][0]="Sr"
p[39][0]="Y"
p[40][0]="Zr"
p[41][0]="Nb"
p[42][0]="Mo"
p[43][0]="Tc"
p[44][0]="Ru"
p[45][0]="Rh"
p[46][0]="Pd"
p[47][0]="Ag"
p[48][0]="Cd"
p[49][0]="In"
p[50][0]="Sn"
p[51][0]="Sb"
p[52][0]="Te"
p[53][0]="I"
p[54][0]="Xe"
p[55][0]="Cs"
p[56][0]="Ba"
p[57][0]="La"
p[58][0]="Ce"
p[59][0]="Pr"
p[60][0]="Nd"
p[61][0]="Pm"
p[62][0]="Sm"
p[63][0]="Eu"
p[64][0]="Gd"
p[65][0]="Tb"
p[66][0]="Dy"
p[67][0]="Ho"
p[68][0]="Er"
p[69][0]="Tm"
p[70][0]="Yb"
p[71][0]="Lu"
p[72][0]="Hf"
p[73][0]="Ta"
p[74][0]="W"
p[75][0]="Re"
p[76][0]="Os"
p[77][0]="Ir"
p[78][0]="Pt"
p[79][0]="Au"
p[80][0]="Hg"
p[81][0]="Tl"
p[82][0]="Pb"
p[83][0]="Bi"
p[84][0]="Po"
p[85][0]="At"
p[86][0]="Rn"
p[87][0]="Fr"
p[88][0]="Ra"
p[89][0]="Ac"
p[90][0]="Th"
p[91][0]="Pa"
p[92][0]="U"
p[93][0]="Np"
p[94][0]="Pu"
p[95][0]="Am"
p[96][0]="Cm"
p[97][0]="Bk"
p[98][0]="Cf"
p[99][0]="Es"
p[100][0]="Fm"
p[101][0]="Md"
p[102][0]="No"
p[103][0]="Lr"
p[104][0]="Rf"
p[105][0]="Db"
p[106][0]="Sg"
p[107][0]="Bh"
p[108][0]="Hs"
p[109][0]="Mt"
p[120]=new Array()
p[120][0]=""
p[120][2]=""
p[120][1]=""
p[120][3]=""
p[120][4]=""
p[120][7]=""
p[120][8]=""
p[120][5]=""
p[120][6]=""
p[120][9]=""
p[120][10]=""
p[120][11]=""
p[120][12]=""
p[120][13]=""
p[120][14]=""
p[120][20]=""
p[120][30]=""
p[120][31]=""
p[120][32]=""
p[120][40]=""
p[120][41]=""
p[120][42]=""
p[120][43]=""
p[120][44]=""
p[120][45]=""
p[120][46]=""
p[120][47]=""
p[120][49]=""
p[120][50]=""
p[120][51]=""
p[120][52]=""
p[120][53]=""
p[120][54]=""
p[120][55]=""
p[120][60]="Show all data"

p[121]=new Array()
p[121][3]=""
p[121][4]="Atomic number, Z:"
p[121][5]="Density (g/cm<sup>3</sup>):"
p[121][6]="Commonest natural isotope"
p[121][7]="Melting point (K):"
p[121][8]="Boiling Point (K):"
p[121][9]="<font face='symbol'>D</font>H fus (kJ/mol):"
p[121][10]="<font face='symbol'>D</font>H vap (kJ/mol):"
p[121][11]="Electronic configuration:"
p[121][12]="Resistivity (<font face='symbol'>mW</font>.cm):"
p[121][13]="Th. cond. (W/m/K):"
p[121][14]="1st Ionis'n (kJ/mol):"
p[121][20]=""
p[121][30]=""
p[121][31]="Discovery date:"
p[121][32]=""
p[121][40]="Reaction with water"
p[121][41]="Reaction with oxygen"
p[121][42]="Oxides"
p[121][43]="MP (K)"
p[121][44]="BP (K)"
p[121][45]="Acid/base nature"
p[121][50]="Reaction with chlorine"
p[121][51]="Chlorides"
p[121][52]="MP (K)"
p[121][53]="BP (K)"
p[121][49]="Reaction of chlorides with water"
p[121][60]="Hide advanced"

p[122]=new Array()
p[122][5]="Densities "
p[122][7]="Melting Points  "
p[122][8]="Boiling Points  "
p[122][9]="Enthalpies of Fusion "
p[122][10]="Enthalpies of Vaporisation "
p[122][12]="Resistivities "
p[122][13]="Thermal Conductivities "
p[122][14]="First Ionisation Energies "
p[122][31]="Discovery Dates "

p[123]=new Array()
p[123][5]="Densities (g/cm<sup>3</sup>)"
p[123][7]="Melting Points (K)"
p[123][8]="Boiling Points (K)"
p[123][9]="Enthalpies of Fusion  (kJ/mol)"
p[123][10]="Enthalpies of Vaporisation (kJ/mol)"
p[123][12]="Resistivities (<font face='symbol'>mW</font>.cm)"
p[123][13]="Thermal Conductivities  (W/m/K)"
p[123][14]="First Ionisation Energies (kJ/mol)"
p[123][31]="Discovery Dates"


p[1][9]="0.06"
p[1][10]="0.45"
p[1][11]="1s<sup>1</sup>"
p[1][12]="?"
p[1][13]="0.1805"
p[1][14]="1312"
p[2][9]="0.02"
p[2][10]="0.08"
p[2][11]="1s<sup>2</sup>"
p[2][12]="?"
p[2][13]="0.1513"
p[2][14]="2372.3"
p[3][9]="3.02"
p[3][10]="134.68"
p[3][11]="[He].2s<sup>1</sup>"
p[3][12]="9.4"
p[3][13]="85"
p[3][14]="513.3"
p[4][9]="12.5"
p[4][10]="294.6"
p[4][11]="[He].2s<sup>2</sup>"
p[4][12]="4"
p[4][13]="190"
p[4][14]="899.4"
p[5][9]="22.18"
p[5][10]="538.9"
p[5][11]="[He].2s<sup>2</sup>.2p<sup>1</sup>"
p[5][12]=">1012"
p[5][13]="27"
p[5][14]="800.6"
p[6][9]="?"
p[6][10]="716.7"
p[6][11]="[He].2s<sup>2</sup>.2p<sup>2</sup>"
p[6][12]="~1000 (direction dependent)"
p[6][13]="140"
p[6][14]="1086.2"
p[7][9]="0.36"
p[7][10]="2.79"
p[7][11]="[He].2s<sup>2</sup>.2p<sup>3</sup>"
p[7][12]="?"
p[7][13]="0.02583"
p[7][14]="1402.3"
p[8][9]="0.22"
p[8][10]="3.41"
p[8][11]="[He].2s<sup>2</sup>.2p<sup>4</sup>"
p[8][12]="?"
p[8][13]="0.02658"
p[8][14]="1313.9"
p[9][9]="2.55"
p[9][10]="3.27"
p[9][11]="[He].2s<sup>2</sup>.2p<sup>5</sup>"
p[9][12]="?"
p[9][13]="0.0277"
p[9][14]="1681"
p[10][9]="0.34"
p[10][10]="1.77"
p[10][11]="[He].2s<sup>2</sup>.2p<sup>6</sup>"
p[10][12]="?"
p[10][13]="0.0491"
p[10][14]="2080.6"
p[11][9]="2.6"
p[11][10]="89.04"
p[11][11]="[Ne].3s<sup>1</sup>"
p[11][12]="4.7"
p[11][13]="140"
p[11][14]="495.8"
p[12][9]="8.95"
p[12][10]="128.66"
p[12][11]="[Ne].3s<sup>2</sup>"
p[12][12]="4.4"
p[12][13]="160"
p[12][14]="737.7"
p[13][9]="10.67"
p[13][10]="293.72"
p[13][11]="[Ne].3s<sup>2</sup>.3p<sup>1</sup>"
p[13][12]="2.65"
p[13][13]="235"
p[13][14]="577.4"
p[14][9]="46.44"
p[14][10]="376.8"
p[14][11]="[Ne].3s<sup>2</sup>.3p<sup>2</sup>"
p[14][12]="~10000000"
p[14][13]="150"
p[14][14]="786.5"
p[15][9]="0.63"
p[15][10]="12.4"
p[15][11]="[Ne].3s<sup>2</sup>.3p<sup>3</sup>"
p[15][12]="10"
p[15][13]="0.236"
p[15][14]="1011.7"
p[16][9]="1.41"
p[16][10]="9.62"
p[16][11]="[Ne].3s<sup>2</sup>.3p<sup>4</sup>"
p[16][12]=">1023"
p[16][13]="0.205"
p[16][14]="999.6"
p[17][9]="3.2"
p[17][10]="10.2"
p[17][11]="[Ne].3s<sup>2</sup>.3p<sup>5</sup>"
p[17][12]="> 1010"
p[17][13]="0.0089"
p[17][14]="1251.1"
p[18][9]="1.18"
p[18][10]="6.52"
p[18][11]="[Ne].3s<sup>2</sup>.3p<sup>6</sup>"
p[18][12]="?"
p[18][13]="0.01772"
p[18][14]="1520.4"
p[19][9]="2.32"
p[19][10]="77.53"
p[19][11]="[Ar].4s<sup>1</sup>"
p[19][12]="7"
p[19][13]="100"
p[19][14]="418.8"
p[20][9]="8.66"
p[20][10]="149.95"
p[20][11]="[Ar].4s<sup>2</sup>"
p[20][12]="3.4"
p[20][13]="200"
p[20][14]="589.7"
p[21][9]="16.11"
p[21][10]="304.8"
p[21][11]="[Ar].3d<sup>1</sup>.4s<sup>2</sup>"
p[21][12]="55"
p[21][13]="16"
p[21][14]="631"
p[22][9]="18.7"
p[22][10]="428.86"
p[22][11]="[Ar].3d<sup>2</sup>.4s<sup>2</sup>"
p[22][12]="40"
p[22][13]="22"
p[22][14]="658"
p[23][9]="17"
p[23][10]="458.57"
p[23][11]="[Ar].3d<sup>3</sup>.4s<sup>2</sup>"
p[23][12]="20"
p[23][13]="31"
p[23][14]="650"
p[24][9]="13.81"
p[24][10]="348.78"
p[24][11]="[Ar].3d<sup>5</sup>.4s<sup>1</sup>"
p[24][12]="12.7"
p[24][13]="94"
p[24][14]="652.7"
p[25][9]="14.64"
p[25][10]="219.74"
p[25][11]="[Ar].3d<sup>5</sup>.4s<sup>2</sup>"
p[25][12]="160"
p[25][13]="7.8"
p[25][14]="717.4"
p[26][9]="15.36"
p[26][10]="351.04"
p[26][11]="[Ar].3d<sup>6</sup>.4s<sup>2</sup>"
p[26][12]="9.7"
p[26][13]="80"
p[26][14]="759.3"
p[27][9]="15.23"
p[27][10]="382.42"
p[27][11]="[Ar].3d<sup>7</sup>.4s<sup>2</sup>"
p[27][12]="6"
p[27][13]="100"
p[27][14]="760"
p[28][9]="17.61"
p[28][10]="371.83"
p[28][11]="[Ar].3d<sup>8</sup>.4s<sup>2</sup>"
p[28][12]="7"
p[28][13]="91"
p[28][14]="736.7"
p[29][9]="13.05"
p[29][10]="304.6"
p[29][11]="[Ar].3d<sup>10</sup>.4s<sup>1</sup>"
p[29][12]="1.7"
p[29][13]="400"
p[29][14]="745.4"
p[30][9]="7.38"
p[30][10]="115.31"
p[30][11]="[Ar].3d<sup>10</sup>.4s<sup>2</sup>"
p[30][12]="5.9"
p[30][13]="120"
p[30][14]="762.1"
p[31][9]="5.59"
p[31][10]="256.06"
p[31][11]="[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>1</sup>"
p[31][12]="14"
p[31][13]="29"
p[31][14]="578.8"
p[32][9]="31.8"
p[32][10]="334.3"
p[32][11]="[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>2</sup>"
p[32][12]="~5000"
p[32][13]="60"
p[32][14]="762.1"
p[33][9]="27.61"
p[33][10]="129.7"
p[33][11]="[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>3</sup>"
p[33][12]="30"
p[33][13]="50"
p[33][14]="947"
p[34][9]="5.44"
p[34][10]="26.32"
p[34][11]="[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>4</sup>"
p[34][12]=">2000"
p[34][13]="0.52"
p[34][14]="940.9"
p[35][9]="5.27"
p[35][10]="15"
p[35][11]="[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>5</sup>"
p[35][12]="> 1018"
p[35][13]="0.12"
p[35][14]="1139.9"
p[36][9]="1.64"
p[36][10]="9.03"
p[36][11]="[Ar].3d<sup>10</sup>.4s<sup>2</sup>.4p<sup>6</sup>"
p[36][12]="?"
p[36][13]="0.00943"
p[36][14]="1350.7"
p[37][9]="2.34"
p[37][10]="69.2"
p[37][11]="[Kr].5s<sup>1</sup>"
p[37][12]="12"
p[37][13]="58"
p[37][14]="403"
p[38][9]="9.2"
p[38][10]="138.91"
p[38][11]="[Kr].5s<sup>2</sup>"
p[38][12]="12"
p[38][13]="35"
p[38][14]="549.5"
p[39][9]="17.15"
p[39][10]="393.3"
p[39][11]="[Kr]4d<sup>1</sup>.5s<sup>2</sup>"
p[39][12]="56"
p[39][13]="17"
p[39][14]="616"
p[40][9]="16.74"
p[40][10]="581.58"
p[40][11]="[Kr]4d<sup>2</sup>.5s<sup>2</sup>"
p[40][12]="42"
p[40][13]="23"
p[40][14]="660"
p[41][9]="26.78"
p[41][10]="696.64"
p[41][11]="[Kr]4d<sup>4</sup>.5s<sup>1</sup>"
p[41][12]="15"
p[41][13]="54"
p[41][14]="664"
p[42][9]="27.61"
p[42][10]="594.13"
p[42][11]="[Kr]4d<sup>5</sup>.5s<sup>1</sup>"
p[42][12]="5"
p[42][13]="139"
p[42][14]="685"
p[43][9]="23.01"
p[43][10]="577.4"
p[43][11]="[Kr]4d<sup>5</sup>.5s<sup>2</sup>"
p[43][12]="20"
p[43][13]="51"
p[43][14]="702"
p[44][9]="25.52"
p[44][10]="567.77"
p[44][11]="[Kr]4d<sup>7</sup>.5s<sup>1</sup>"
p[44][12]="7.1"
p[44][13]="120"
p[44][14]="711"
p[45][9]="21.76"
p[45][10]="495.39"
p[45][11]="[Kr]4d<sup>8</sup>.5s<sup>1</sup>"
p[45][12]="4.3"
p[45][13]="150"
p[45][14]="720"
p[46][9]="16.74"
p[46][10]="393.3"
p[46][11]="[Kr]4d<sup>10</sup>"
p[46][12]="10"
p[46][13]="72"
p[46][14]="805"
p[47][9]="11.3"
p[47][10]="255.06"
p[47][11]="[Kr]4d<sup>10</sup>.5s<sup>1</sup>"
p[47][12]="1.6"
p[47][13]="430"
p[47][14]="731"
p[48][9]="6.07"
p[48][10]="99.87"
p[48][11]="[Kr]4d<sup>10</sup>.5s<sup>2</sup>"
p[48][12]="7"
p[48][13]="97"
p[48][14]="867.6"
p[49][9]="3.26"
p[49][10]="226.35"
p[49][11]="[Kr]4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>1</sup>"
p[49][12]="8"
p[49][13]="82"
p[49][14]="558.3"
p[50][9]="7.2"
p[50][10]="290.37"
p[50][11]="[Kr]4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>2</sup>"
p[50][12]="11"
p[50][13]="67"
p[50][14]="708.6"
p[51][9]="19.83"
p[51][10]="67.91"
p[51][11]="[Kr]4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>3</sup>"
p[51][12]="40"
p[51][13]="24"
p[51][14]="833.7"
p[52][9]="17.49"
p[52][10]="50.63"
p[52][11]="[Kr]4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>4</sup>"
p[52][12]="~10000"
p[52][13]="3"
p[52][14]="869.2"
p[53][9]="7.89"
p[53][10]="20.85"
p[53][11]="[Kr]4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>5</sup>"
p[53][12]="> 1015"
p[53][13]="0.449"
p[53][14]="1008.4"
p[54][9]="2.3"
p[54][10]="12.64"
p[54][11]="[Kr]4d<sup>10</sup>.5s<sup>2</sup>.5p<sup>6</sup>"
p[54][12]="?"
p[54][13]="0.00565"
p[54][14]="1170.4"
p[55][9]="2.13"
p[55][10]="65.9"
p[55][11]="[Xe].6s<sup>1</sup>"
p[55][12]="20"
p[55][13]="36"
p[55][14]="375.7"
p[56][9]="7.77"
p[56][10]="150.92"
p[56][11]="[Xe].6s<sup>2</sup>"
p[56][12]="35"
p[56][13]="18"
p[56][14]="502.8"
p[57][9]="11.3"
p[57][10]="399.57"
p[57][11]="[Xe].5d<sup>1</sup>.6s<sup>2</sup>"
p[57][12]="61"
p[57][13]="13"
p[57][14]="538.1"
p[58][9]="8.87"
p[58][10]="398"
p[58][11]="[Xe].4f<sup>1</sup>.5d<sup>1</sup>.6s<sup>2</sup>"
p[58][12]="74"
p[58][13]="11"
p[58][14]="527.4"
p[59][9]="11.3"
p[59][10]="357"
p[59][11]="[Xe].4f<sup>3</sup>.6s<sup>2</sup>"
p[59][12]="70"
p[59][13]="13"
p[59][14]="523.1"
p[60][9]="7.1"
p[60][10]="328"
p[60][11]="[Xe].4f<sup>4</sup>.6s<sup>2</sup>"
p[60][12]="64"
p[60][13]="17"
p[60][14]="529.6"
p[61][9]="12.6"
p[61][10]="?"
p[61][11]="[Xe].4f<sup>5</sup>.6s<sup>2</sup>"
p[61][12]="75"
p[61][13]="15"
p[61][14]="535.9"
p[62][9]="10.9"
p[62][10]="165"
p[62][11]="[Xe].4f<sup>6</sup>.6s<sup>2</sup>"
p[62][12]="94"
p[62][13]="13"
p[62][14]="543.3"
p[63][9]="10.5"
p[63][10]="176"
p[63][11]="[Xe].4f<sup>7</sup>.6s<sup>2</sup>"
p[63][12]="90"
p[63][13]="14"
p[63][14]="546.7"
p[64][9]="15.5"
p[64][10]="301"
p[64][11]="[Xe].4f<sup>7</sup>.5d<sup>1</sup>.6s<sup>2</sup>"
p[64][12]="130"
p[64][13]="11"
p[64][14]="592.5"
p[65][9]="16.3"
p[65][10]="391"
p[65][11]="[Xe].4f<sup>9</sup>.6s<sup>2</sup>"
p[65][12]="120"
p[65][13]="11"
p[65][14]="564.6"
p[66][9]="17.2"
p[66][10]="293"
p[66][11]="[Xe].4f<sup>10</sup>.6s<sup>2</sup>"
p[66][12]="91"
p[66][13]="11"
p[66][14]="571.9"
p[67][9]="17.2"
p[67][10]="303"
p[67][11]="[Xe].4f<sup>11</sup>.6s<sup>2</sup>"
p[67][12]="94"
p[67][13]="16"
p[67][14]="580.7"
p[68][9]="17.2"
p[68][10]="280"
p[68][11]="[Xe].4f<sup>12</sup>.6s<sup>2</sup>"
p[68][12]="86"
p[68][13]="15"
p[68][14]="588.7"
p[69][9]="18.4"
p[69][10]="247"
p[69][11]="[Xe].4f<sup>13</sup>.6s<sup>2</sup>"
p[69][12]="70"
p[69][13]="17"
p[69][14]="596.7"
p[70][9]="9.2"
p[70][10]="159"
p[70][11]="[Xe].4f<sup>14</sup>.6s<sup>2</sup>"
p[70][12]="28"
p[70][13]="39"
p[70][14]="603.4"
p[71][9]="19.2"
p[71][10]="428"
p[71][11]="[Xe].4f<sup>14</sup>.5d<sup>1</sup>.6s<sup>2</sup>"
p[71][12]="56"
p[71][13]="16"
p[71][14]="523.5"
p[72][9]="21.76"
p[72][10]="661.07"
p[72][11]="[Xe].4f<sup>14</sup>.5d<sup>2</sup>.6s<sup>2</sup>"
p[72][12]="30"
p[72][13]="23"
p[72][14]="642"
p[73][9]="31.38"
p[73][10]="753.12"
p[73][11]="[Xe].4f<sup>14</sup>.5d<sup>3</sup>.6s<sup>2</sup>"
p[73][12]="13"
p[73][13]="57"
p[73][14]="761"
p[74][9]="35.22"
p[74][10]="799.14"
p[74][11]="[Xe].4f<sup>14</sup>.5d<sup>4</sup>.6s<sup>2</sup>"
p[74][12]="5"
p[74][13]="170"
p[74][14]="770"
p[75][9]="33.05"
p[75][10]="707.1"
p[75][11]="[Xe].4f<sup>14</sup>.5d<sup>5</sup>.6s<sup>2</sup>"
p[75][12]="18"
p[75][13]="48"
p[75][14]="760"
p[76][9]="29.29"
p[76][10]="627.6"
p[76][11]="[Xe].4f<sup>14</sup>.5d<sup>6</sup>.6s<sup>2</sup>"
p[76][12]="8.1"
p[76][13]="88"
p[76][14]="840"
p[77][9]="26.36"
p[77][10]="563.58"
p[77][11]="[Xe].4f<sup>14</sup>.5d<sup>7</sup>.6s<sup>2</sup>"
p[77][12]="4.7"
p[77][13]="150"
p[77][14]="880"
p[78][9]="19.66"
p[78][10]="510.45"
p[78][11]="[Xe].4f<sup>14</sup>.5d<sup>9</sup>.6s<sup>1</sup>"
p[78][12]="10.6"
p[78][13]="72"
p[78][14]="870"
p[79][9]="13.36"
p[79][10]="324.43"
p[79][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>1</sup>"
p[79][12]="2.2"
p[79][13]="320"
p[79][14]="890.1"
p[80][9]="2.3"
p[80][10]="59.15"
p[80][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>"
p[80][12]="96"
p[80][13]="8.3"
p[80][14]="1007"
p[81][9]="4.27"
p[81][10]="162.09"
p[81][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>1</sup>"
p[81][12]="15"
p[81][13]="46"
p[81][14]="589.3"
p[82][9]="4.77"
p[82][10]="179.41"
p[82][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>2</sup>"
p[82][12]="21"
p[82][13]="35"
p[82][14]="715.5"
p[83][9]="10.88"
p[83][10]="151.5"
p[83][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>3</sup>"
p[83][12]="130"
p[83][13]="8"
p[83][14]="703.2"
p[84][9]="12.55"
p[84][10]="60.2"
p[84][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>4</sup>"
p[84][12]="43"
p[84][13]="?"
p[84][14]="812"
p[85][9]="11.92"
p[85][10]="45.2"
p[85][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>5</sup>"
p[85][12]="?"
p[85][13]="2"
p[85][14]="930"
p[86][9]="11.92"
p[86][10]="45.2"
p[86][11]="[Xe].4f<sup>14</sup>.5d<sup>10</sup>.6s<sup>2</sup>.6p<sup>6</sup>"
p[86][12]="?"
p[86][13]="0.00361"
p[86][14]="1037"
p[87][9]="2.09"
p[87][10]="63.6"
p[87][11]="[Rn].7s<sup>1</sup>"
p[87][12]="?"
p[87][13]="?"
p[87][14]="400"
p[88][9]="8.37"
p[88][10]="136.82"
p[88][11]="[Rn].7s<sup>2</sup>"
p[88][12]="100"
p[88][13]="19"
p[88][14]="509.3"
p[89][9]="14.23"
p[89][10]="397.5"
p[89][11]="[Rn].6d1.7s<sup>2</sup>"
p[89][12]="?"
p[89][13]="12"
p[89][14]="499"
p[90][9]="15.65"
p[90][10]="543.92"
p[90][11]="[Rn].6d2.7s<sup>2</sup>"
p[90][12]="15"
p[90][13]="54"
p[90][14]="587"
p[91][9]="14.64"
p[91][10]="460.2"
p[91][11]="[Rn].5f<sup>2</sup>.6d<sup>1</sup>.7s<sup>2</sup>"
p[91][12]="18"
p[91][13]="47"
p[91][14]="568"
p[92][9]="15.48"
p[92][10]="422.6"
p[92][11]="[Rn].5f<sup>3</sup>.6d<sup>1</sup>.7s<sup>2</sup>"
p[92][12]="28"
p[92][13]="27"
p[92][14]="584"
p[93][9]="2.8"
p[93][10]="335"
p[93][11]="[Rn].5f<sup>4</sup>.6d<sup>1</sup>.7s<sup>2</sup>"
p[93][12]="120"
p[93][13]="6"
p[93][14]="597"
p[94][9]="2.09"
p[94][10]="317.1"
p[94][11]="[Rn].5f<sup>6</sup>.7s<sup>2</sup>"
p[94][12]="150"
p[94][13]="6"
p[94][14]="585"
p[95][9]="?"
p[95][10]="238.5"
p[95][11]="[Rn].5f<sup>7</sup>.7s<sup>2</sup>"
p[95][12]="?"
p[95][13]="10"
p[95][14]="578.2"
p[96][9]="?"
p[96][10]="?"
p[96][11]="[Rn].5f<sup>7</sup>.6d<sup>1</sup>.7s<sup>2</sup>"
p[96][12]="?"
p[96][13]="?"
p[96][14]="581"
p[97][9]="?"
p[97][10]="?"
p[97][11]="[Rn].5f<sup>9</sup>.7s<sup>2</sup>"
p[97][12]="?"
p[97][13]="10"
p[97][14]="601"
p[98][9]="0.06"
p[98][10]="0.35"
p[98][11]="[Rn].5f<sup>10</sup>.7s<sup>2</sup>"
p[98][12]="?"
p[98][13]="?"
p[98][14]="608"
p[99][9]="?"
p[99][10]="?"
p[99][11]="[Rn].5f<sup>11</sup>.7s<sup>2</sup>"
p[99][12]="?"
p[99][13]="?"
p[99][14]="619"
p[100][9]="?"
p[100][10]="?"
p[100][11]="[Rn].5f<sup>12</sup>.7s<sup>2</sup>"
p[100][12]="?"
p[100][13]="?"
p[100][14]="627"
p[101][9]="?"
p[101][10]="?"
p[101][11]="[Rn].5f<sup>13</sup>.7s<sup>2</sup>"
p[101][12]="?"
p[101][13]="?"
p[101][14]="635"
p[102][9]="?"
p[102][10]="?"
p[102][11]="[Rn].5f<sup>14</sup>.7s<sup>2</sup>"
p[102][12]="?"
p[102][13]="?"
p[102][14]="642"
p[103][9]="?"
p[103][10]="?"
p[103][11]="[Rn].5f<sup>14</sup>.6d<sup>1</sup>.7s<sup>2</sup>"
p[103][12]="?"
p[103][13]="?"
p[103][14]="?"
p[104][9]="?"
p[104][10]=""
p[104][11]="[Rn].5f<sup>14</sup>.6d<sup>2</sup>.7s<sup>2</sup>"
p[104][12]="?"
p[104][13]="?"
p[104][14]="?"
p[105][9]="?"
p[105][10]="?"
p[105][11]="[Rn].5f<sup>14</sup>.6d<sup>3</sup>.7s<sup>2</sup>"
p[105][12]="?"
p[105][13]="?"
p[105][14]="?"
p[106][9]="?"
p[106][10]="?"
p[106][11]="[Rn].5f<sup>14</sup>.6d<sup>4</sup>.7s<sup>2</sup>"
p[106][12]="?"
p[106][13]="?"
p[106][14]="?"
p[107][9]="?"
p[107][10]="?"
p[107][11]="[Rn].5f<sup>14</sup>.6d<sup>5</sup>.7s<sup>2</sup>"
p[107][12]="?"
p[107][13]="?"
p[107][14]="?"
p[108][9]="?"
p[108][10]="?"
p[108][11]="[Rn].5f<sup>14</sup>.6d<sup>6</sup>.7s<sup>2</sup>"
p[108][12]="?"
p[108][13]="?"
p[108][14]="?"
p[109][9]="?"
p[109][10]="?"
p[109][11]="[Rn].5f<sup>14</sup>.6d<sup>7</sup>.7s<sup>2</sup>"
p[109][12]="?"
p[109][13]="?"
p[109][14]="?"
p[1][20]="Hydrogen is used in the production of ammonia for agricultural use (Haber process). It is also used in the hyrdogenation of fats and oils. Other uses include welding and the reduction of metallic ores. It's melting point is just above zero which makes it important in cryogenics and superconductivity studies."
p[2][20]="Helium is used as an inert gas for arc welding: as a protective gas in growing silicon and germanium crystals, and in titanium and zirconium production. Also helium mixed with oxygen (80:20) is used as an artificial atmosphere for divers. It is safer than hydrogen and is therefore used for filling balloons. More recently it has been used for pressurising liquid fuel rockets."
p[3][20]="Lithium is used in heat transfer applications: also as an alloying agent and in the synthesis of organic compounds. It is widely used for battery anodes and in special glasses and ceramics. Lithium is also used in medicine for the treatment of mania. Lithium chloride and lithium bromide are used in air-conditioning systems and lithium stearate is used as a high-temperature lubricant."
p[4][20]="Beryllium is an alloying agent for the production of beryllium copper which is used for springs, electrical contacts, spot-welding electrodes and non-sparking tools. It is used in space shuttles and as a structural material for high-speed aircraft, missiles and communication satellites."
p[5][20]="Amorphous Boron is used in fireworks. Boracic acid has antiseptic uses and another compound of boron, borax, is used as a cleansing flux in welding and as a water softener in washing powders. Boron compounds are used in the manufacture of borosilicate glass. The isotope boron 10 is used as a control in nuclear reactors, as a shield for nuclear radiation and in instruments used for detecting neutrons. "
p[6][20]="Carbon is present in many and varied everyday products such as, nylon, petrol, perfume, soap, plastics, shoe polish, DDT and TNT."
p[7][20]="Nitrogen is used: in the manufacture of fertilizers (Haber process), as a blanketing medium in the production of transistors, for annealing purposes in the steel industry, as a refrigerant for freezing food. Liquid nitrogen is used in the oil industry to build up pressure and force crude oil upwards."
p[8][20]="Oxygen is essential for respiration of all plants and animals. The largest commercial use is oxygen enrichment of steel blast furnaces. It is also used in making synthesis gas for ammonia and methanol, ethylene oxide and for oxy-acetylene welding"
p[9][20]="Fluorine and its compounds are in the production of uranium and fluorchemicals, such as high-temperature plastics. Hydchroloric acid is used for glass etching. Fluorochloro-hydrocarbons are used in air-conditioning and refrigeration. it is believed that fluorides in drinking water at less than 2ppm helps prevent dental caries; above that level may cause mottled enamel in permanent teeth."
p[10][20]="Neon's main use is in advertising signs. It is also used to make television tubes, high voltage indicators, lightning arrestors and wave meter tubes. Liquid neon is used as a cryogenic refrigerant. It has a refrigerating capacity of over 40 times that of liquid helium and 3 times that of hydrogen. "
p[11][20]="Metallic sodium is used in descaling and purifying metals and in the manufacture of sodamide and esters. Sodium compounds are used in the paper, glass, soap, textile and petroleum industries. Sodium chloride (common salt) is   important nutritionally."
p[12][20]="Magnesium is lighter than aluminium and is therefore useful in aeroplane and missile construction. It is used in photography, flares and pyrotechnics. The compounds magnesium hydroxide (milk of magnesia) and magnesium sulphate (epsom salts) are used in medicine. "
p[13][20]="Aluminium is light, non-toxic, has high thermal conductivity, resists corrosion, is very malleable, is easily cast, is non-magnetic and non-sparking. These properties give it a wide range of uses both indoors and outdoors. Alloys of aluminium with copper, maganese, magnesium and silicon have many uses in the aviation construction industry. "
p[14][20]="Silicon (contained in sand and clay) is used in glass, pottery, enamel, concrete and cement manufacture. It is a component of steel and is also used in the semiconductor industry. Silicon carbides are important abrasives and are also used in lasers."
p[15][20]="Phosphorus is used in agricultural fertilizers. It is also used in steel production. Phosphates are used in the manufacture of special glasses and fine china. Barium phosphate-europium is used in sensitive X-ray film that reduces the exposure time."
p[16][20]="The main use of sulphur is in the manufacture of sulphuric acid. It is also used in gunpowder, as a fungicide and in the vulcanisation of rubber."
p[17][20]="Chlorine is used to make safe drinking water. It is used in the production of paper, textiles, petroleum products, medicines, antiseptics, insecticides, solvents, paints and plastics. It is also used to produce chlorates, chloroform, carbon tetrachloride and bromine."
p[18][20]="Argon is used in fluorescent tubes and electric lights. It is used as a gas shield for arc welding and as a blanket in the production of reactive elements."
p[19][20]="Potassium compounds (such as its chloride, sulphate and nitrate) are used in fertilizers in agriculture."
p[20][20]="Calcium from limestone is an important constituent of Portland Cement. Calcium is used as an alloying agent in the production of some metal alloys (for example, aluminium, copper, magnesium) and as a reducing agent in preparation of other metals (for example, uranium). Calcium oxide (Quicklime) with water added forms slaked lime for use in the chemical industry."
p[21][20]="Scandium iodide, added to mercury vapour lamps produces a highly efficient light source. Scandium is not yet widely used but has possible uses in space missile development."
p[22][20]="Titanium is an important alloying agent for many metal alloys pricipally used in aircraft and missiles. It is very resistant to corrosion and therefore has potential for use in desalination plants, or ships or other constructions exposed to salt water. The main use of titanium is as titanium oxide in paints."
p[23][20]="Most of the vanadium produced is used as a steel additive to produce a tough alloy for axles, piston rods and crankshafts. Vanadium (V) oxide is used in ceramics."
p[24][20]="Chromium is used in the manufacture of stainless steel. When used for plating it prevents corrosion. Chromium compounds are used as pigments."
p[25][20]="Manganese used with aluminium and antimony forms highly ferromagnetic alloys. Manganese (IV) oxide is used as a depolariser in dry cells and to decolorise glass. As an oxidising agent manganese (II) oxide is used in medicine."
p[26][20]="The major use of iron is in the production of steel. Wrought iron is iron with a small amount of carbon, making it tough and more malleable than pure iron."
p[27][20]="Cobalt is used in electroplating. Alloyed with iron, nickel and other metals it is used in jet and gas turbine generators. Cobalt salts are used in glass, pottery and enamels to give a brilliant blue colour. Alloys such as cobalt-samarium can make very strong permanent magnets."
p[28][20]="Nickel is used to make alloys such as stainless steel. Some desalination plants are made with a copper nickel alloy. Nickel is used in coins. Nickel plate protects softer metals. Nickel gives a green colour to glass. It is also used as a catalyst for hydrogenating vegetable oils."
p[29][20]="The greatest use of copper is as copper wire in electrical equipment. Brass and bronze are alloys of copper. Copper coins are copper alloys. Copper sulphate is used in water purification and as an agricultural poison. Copper compounds are used in food tests for sugar detection."
p[30][20]="Zinc is used to galvanise iron and other metals to prevent rusting. It is also used to produce die castings. Zinc is used in alloys such as brass, nickel silver and aluminium solder. Zinc oxide is used in the manufacture of many products from soaps, cosmetics and pharmaceuticals to textiles, plastics and batteries."
p[31][20]="Gallium alloys with most metals. Lately it has been used in doping semiconductors and the production of solid-state devices."
p[32][20]="Germanium is a semiconductor. The element is doped with gallium, arsenic or other elements and used as a transistor in many electronic applications. It can also be used as an alloying agent, in fluorescent lamps and as a catalyst. Germanium and germanium oxide are used in infrared spectroscopes and germamium oxide is used in wide-angle camera lenses."
p[33][20]="Recently arsenic has found use as a doping agent in solid state devices. More generally it is used in bronzing, pyrotechny and for hardening shot."
p[34][20]="Due to its photovoltaic and photoconductive properties, selenium is useful in solar cells and photocells. It is used in rectifiers to convert a.c. electricty to d.c. electricity. In industry it is used in glass and stainless steel manufacture. It is also used in photocopiers."
p[35][20]="Bromine is used in agricultural chemicals. Industry uses it in dyestuffs and flame-retardants. 1,2-dibromoethane is used in combustion engines as an anti-knock agent."
p[36][20]="Krypton can be used in some types of photographic flash lamps. It is also used to fill fluorescent lamps."
p[37][20]="Most rubidium is used is research. However, it does have use as a photocell component and in special glasses."
p[38][20]="Strontium is used in glass for television sets. It is also used in the production of ferrite magnets and for refining zinc. Strontium-90 is a useful isotope as it is one of the best high-energy beta-emitters known."
p[39][20]="Yttrium is used as an additive in alloys. It is also used as a detoxifier for non-ferrous metals. The biggest use is in compound form: yrttium (III) oxide is used to produce phosphors to give red colour in television; yttrium-iron garnets are used to make microwave filters for communications; yttrium-aluminium garnets are used to make gemstones; yttrium dihydride is used in moderators in the nuclear power industry."
p[40][20]="Zirconium alloy tubing is used in nuclear reactors. Being very resistant to corrosion is used by the chemical industry where corrosive agents are in use. It is used in the production of superconductive magnets. Zirconium (IV) oxide is used for furnace linings and by the ceramics and glass industry."
p[41][20]="Niobium is used in superconductive magnets and also in jet engines and rockets. It is used as an alloying agent in carbon and alloy steels and non-ferrous metals."
p[42][20]="Used as an alloying agent, Molybdenum contributes to the hardness and toughness of quenched and tempered steels; it is also used in some nickel based alloys. Molybdenum is also used as a catalyst in petrol refining processes."
p[43][20]="Technetium can be used as a steel corrosion inhibitor, but, since it is radioactive, it's use is limited to closed systems."
p[44][20]="Ruthenium is used as a hardener for platinum and palladium. It is alloyed with these metals to make electrical contacts where resistance to severe wear is required. It is also a catalyst."
p[45][20]="Rhodium is used as a hardener for platinum and palladium, to produce alloys. It has low resistance and is highly resistant to corrosion. It is therefore often used as an electrical contact. Plated Rhodium is used for optical instruments as it is exceptionally hard. It is also used as a catalyst."
p[46][20]="Palladium added to gold gives the alloy, white gold. Finely divided palladium is a catalyst used for hydrogenation and dehydrogenation reactions. Palladium is used with gold, silver and other metals in dental inlays and bridgework. Hydrogen gas can be purified by diffusing it through heated palladium."
p[47][20]="In the form of sterling silver (92.5% siver plus 7.5% copper or some other metal), silver is used for jewellery and ornamental silverware. The photographic industry uses silver in the form of silver nitrate. Silver is an excellent light reflector and is used to make mirrors though it does tarnish over time. Silver paints are used in printed circuits and silver is also used in dental alloys, solder and brazing alloys."
p[48][20]="The main use of cadmium is in electroplating. It is also used in many types of solder, for standard e.m.f. cells, for nickel-cadmium batteries and as a barrier to control atomic fission. It is used in low melting alloys, alloys with low coefficients of friction and fatigue-resistant alloys. Cadmium compounds are used in blue and green phosphors in TV sets. Cadmium sulphide is bright yellow and is used as an artists pigment. "
p[49][20]="Indium is used to make low temperature alloys. It can also be plated onto metal and evaporated onto glass to give a mirror with better resistance to corrosion than silver. It has semiconductor uses in transistors, thermistors and photoconductors. Long-lived indium batteries are used to power electronic watches."
p[50][20]="Tin is used to coat other metals to prevent corrosion, as in tin cans which are tin-coated steel. Soft solder, pewter, bronze and phosphor bronze are alloys of tin. Tin (II) chloride is used as a reducing agent and a mordant. Window glass is made by floating molten glass on to molten tin to produce a flat surface. Electrically conductive coatings are produced by spraying tin salts onto glass. "
p[51][20]="Antimony alloyed with lead improves its hardness and mechanical strength. This form is used in batteries. Antimony is also used in semiconductor technology to make infrared detectors and diodes. Antimony compounds are used in the manufacture of flame-proof compounds, paints, enamels, glass and pottery."
p[52][20]="Tellurium is used in alloys with copper and stainless steel to improve their machinability. Alloyed with lead it improves the hardness and strength of lead and increases its resistance to corrosion by sulphuric acid. Tellurium is also used in ceramics and it can be doped with silver, gold, copper or tin in semiconductor applications."
p[53][20]="Iodine is used in photographic chemicals, pharmaceuticals, printing inks and dyes, catalysts and animal feeds."
p[54][20]="Xenon is generally little used outside research. However, it is used in photography in high-speed electronic flash bulbs and also in electron tubes, stroboscopes lights and bactericidal lamps."
p[55][20]="Caesium has few uses. It is used as a catalyst and in photoelectric cells. It has an affinity for oxygen, so can be used in electron tubes. It also has an application in atomic clocks."
p[56][20]="The best know use of barium is in medicine where barium sulphate can be drunk to outline the stomach and intestines for examination. The sulphate is also used in paint and glassmaking. The carbonate has use as rat poison and the nitrate is used in fireworks to give a green colour."
p[57][20]="Lanthanum(III) oxide improves the alkali resistance of glass, so is used in making special optical glasses. Rare earth compounds containing lanthanum are used in carbon lighting applications such as cinema projection and studio lighting. Radioactive lanthanum has been tested for use in cancer treatment."
p[58][20]="Misch-metal alloy which is used extensively in the manufacture of pyrophoric alloys contains nearly 50% Cerium. Cerium (III) oxide is used as a catalyst in self-cleaning ovens. "
p[59][20]="Praseodymium is used in carbon arcs for projection studio and studio lighting. Praseodymium a component of didymium glass which is used in welders' and glassmakers' goggles because it filters out yellow light. It comprises 5% of the alloy misch-metal, used for products where a light flint operates, such as cigarette lighters. Praseodymium salts are used to colour glasses and enamels yellow."
p[60][20]="Misch-metal contains up to 18% neodymium. It is a component of didymia, used in glass-blowers' and welder's goggles to filter out yellow light. Neodymium is used to colour glass shades of violet, wine-red and grey. It is also used to make glass which keeps out the harmful infrared rays from the sun while allowing the tanning rays through."
p[61][20]="Promethium can capture light in photocells and convert it into an electric current. It is therefore used in nuclear-powered batteries in watches, radios, and guided missile instruments."
p[62][20]="Samarium is used in carbon arc lighting for studio lighting and projection. It is used in nuclear reactors as a neutron absorber and also in infrared absorbing glass. Samarium is used to dope calcium fluoride for use in optical lasers. It is used in alloys with cobalt to make strong permanent magnets."
p[63][20]="Europium has a valuable use in control rods for nuclear reactors because it is a very efficient absorber of neutrons. Europium-doped plastic has been used for laser material. It is used in the television industry to make screen phosphors and barium phosphate-europium is used in sensitive X-ray film that reduces the exposure time."
p[64][20]="Gadolinium is useful in iron and chromium alloys where it has been found to improve the workability of the alloys and increase their resistance to high temperatures and oxidation. It is used in the television industry to make screen phosphors."
p[65][20]="Terbium is used to dope calcium fluoride, calcium tungstate and strontium molybdate for use in solid-state devices. Terbium salts are used in laser devices."
p[66][20]="A dysprosium oxide-nickel cement readily absorbs neutrons without swelling or contracting so  is used in cooling nuclear reactor control rods."
p[67][20]="Holmium absorbs fission-bred neutrons - it burns up while it is keeping a chain reaction under control. Thus, it is used in nuclear reactors as a burnable poison."
p[68][20]="Erbium is occasionally used in the production of infrared absorbing glass. When added to vanadium it lowers the hardness and improves the workability the glass. It is also used to make opto-electronic devices."
p[69][20]="An isotope of thulium is used to make a lightweight, portable X-ray machine for use in medicine."
p[70][20]="Ytterbium is little used outside research. Ytterbium complexes are used as reagents in the analysis of optically active compounds."
p[71][20]="Lutetium is little used outside research."
p[72][20]="Hafnium is used in control rods in nuclear reactors to absorb neutrons. It is used in gas-filled and incandescent lights. It has also been successfully alloyed with various metals including iron, titanium and niobium."
p[73][20]="Tantalum is widely used in the manufacture of surgical appliances because it does not cause an immune response in mammals. It can be used to replace bone in skull plates; as a foil in nerve connections and as woven gauze to bind muscles. "
p[74][20]="Tungsten and it alloys are widely used in electric filaments in light bulbs, electron tubes and TV tubes. It has a very high melting point; tungsten steel is used in high speed drills, including dental drills."
p[75][20]="Rhenium is an additive to tungsten and molybdenum-based alloys, used in filaments for mass spectographs. It is useful for electrical contacts as it has good resistance to wear and corrosion. Rhenium catalysts are used for the hydrogenation of fine chemicals."
p[76][20]="Osmium is used to produce very hard alloys for use in, for example, instrument pivots, fountain pen nibs and needles."
p[77][20]="Iridium is a hardening agent for platinum. It alloys with osmium and used for compass bearings and pen tips. It is very corrosion-resistant. An alloy of 90% platinum and 10% iridium was used to make the standard metre bar (now superceded)."
p[78][20]="Platinum is used extensively for jewellery and valuable instruments. It is also used as a catalyst in the petroleum cracking industry."
p[79][20]="Gold is used in jewellery. In many countries it is also a standard for monetary systems. A gold compound is used in the treatment of arthritis. Another gold compound is used photography to tone the silver image."
p[80][20]="Mercury is used in advertising signs, mercury switches, thermometers, barometers, diffusion pumps and many other instruments.Mercury alloys with metals such as gold, silver and tin. These are called amalgams, used in dentistry, pesticides, batteries and catalysts. Its ease in amalgamating with gold is used to recover gold from its ores."
p[81][20]="Thallium sulphate was used as a rodent killer in the 60s. Thallium is toxic; household use has been banned in USA. Thallium oxide is used to produce glasses with high index of refraction. Thallium compounds are used to make components for infrared systems and photocells."
p[82][20]="Lead is highly resistant to corrosion so is used to store corrosive liquids. Lead metal and lead dioxide are used in batteries. Lead is used in cable covering and ammunition. Lead is a cumulative poison so its use in plumbing, petrol and paints has been reduced recently due to health and environmental concerns. It provides an effective shield around x-ray equipment. Lead oxide is used in the production of fine crystal."
p[83][20]="Alloys of bismuth with tin and cadmium are used in fire detectors and extinguishers, electric fuses and solders."
p[84][20]="Polonium is used as a heat source in space equipment. It is also used in scientific research as an alpha-particle source in the form of a thin film on a stainless steel disc."
p[85][20]="Astatine has no uses."
p[86][20]="Radon is used in cancer therapy."
p[87][20]="Francium is used only in research."
p[88][20]="Radium gives off small amounts of radon gas. In the past it was used to treat cancer but is now considered too toxic for this application. It was also used in the production of luminous paints. This too is now considered too hazardous."
p[89][20]="Actinium is used in research."
p[90][20]="Thorium is an important alloying agent with magnesium. Thorium oxide is used in portable gas lights. Protactinium-231/thorium-230 is used to date marine sediments. Thorium is of potential value in producing nuclear energy."
p[91][20]="Protactinium-231/thorium-230 is used to date marine sediments."
p[92][20]="Uranium provides nuclear fuel in plutonium breeder reactors. The energy released can be used to generate electricity, make isotopes for peaceful purposes or for making nuclear weapons."
p[93][20]="Neptunium is used in research."
p[94][20]="Plutonium is a key material in the development of nuclear power and nuclear weapons. It has been used as a compact energy source on space missions."
p[95][20]="Radioisotopes of americium are used for measuring and controlling the thickness of a wide range of industrial materials, in nuclear medicine and in smoke detectors."
p[96][20]="Curium is only available in tiny quantities and has little use outside of research. Curium isotopes can be used to provide compact energy sources in space."
p[97][20]="Berkelium is very rare and has no commercial or technological uses at present."
p[98][20]="Californium is a neutron emitter and is used as a portable neutron source for neutron activation analysis. One isotope, californium-252, is used in cancer therapy."
p[99][20]="Einsteinium is only used in research."
p[100][20]="Fermium is only used in research."
p[101][20]="Mendelevium is only used in research."
p[102][20]="Nobelium is only used in research."
p[103][20]="Lawrencium is only used in research."
p[104][20]="Unknown"
p[105][20]="Unknown"
p[106][20]="Unknown"
p[107][20]="Unknown"
p[108][20]="Unknown"
p[109][20]="Unknown"
p[1][30]="Discovered by Henry Cavendish and named by Lavoiser"
p[1][31]="1766"
p[1][32]="Hydrogen is the most abundant element in the universe. It is found in the sun, the stars and the planets. On Earth it occurs most abundantly in water. "
p[2][30]="Discovered by Janssen (1868). Also in clevite by Sir William Ramsay and Cleve & Langlet (1897)"
p[2][31]="1868"
p[2][32]="Helium is the second most abundant element in the universe. The major sources are wells in Texas, Oklahoma and Kansas."
p[3][30]="Discovered by A.J.R. Arfvedson"
p[3][31]="1817"
p[3][32]="Lithium is contained the the minerals lepidolite, spodumene, petalite and amblygonite. Large deposits of spodumene are found in California."
p[4][30]="Discovered by Vauquelin (1798) in beryl and in emeralds. Isolated by Wohler (1828)."
p[4][31]="1798"
p[4][32]="The most important sources of beryllium are the minerals bertrandite, beryl, chrysoberyl and phenacite."
p[5][30]="Discovered by L.J. Lussac and L.J. Thenard in Paris, and Sir Humphry Davy in London"
p[5][31]="1808"
p[5][32]="The most important source of boron is rasorite, which is found in the Mojave Desert in California.  The minerals borax and colemanite contain borates; Turkey has large deposits of borax. Some volcanic sprint waters contain orthoboric acid."
p[6][30]="Discovered by prehistoric civilisations. "
p[6][31]="0"
p[6][32]="Carbon occurs abundantly in the sun, stars, comets and the atmospheres of most planets. Carbon is found in coal, oil and natural gas."
p[7][30]="Discovered by Daniel Rutherford"
p[7][31]="1772"
p[7][32]="Nitrogen forms 78% of the Earth's atmosphere, by volume."
p[8][30]="Discovered by J. Priestley, Leeds and independently by C.W. Scheele, Uppsala, Sweden"
p[8][31]="1774"
p[8][32]="Oxygen makes up 21% of Earth's atmosphere, by volume. The human body is about two thirds oxygen and water is about 90% oxygen. The element and it compounds make up 49.2% of the Earth's crust, by weight."
p[9][30]="Discovered by H. Moissan"
p[9][31]="1886"
p[9][32]="Fluorine occurs mainly in the minerals fluorspar and cryolite. In lesser quantities it is also widely distributed in other minerals."
p[10][30]="Discovered by Sir William Ramsay and M.W. Travers"
p[10][31]="1898"
p[10][32]="Neon occurs 1 part in 65,000 of the Earth's atmosphere."
p[11][30]="Discovered by Sir Humphrey Davy"
p[11][31]="1807"
p[11][32]="The Earth's crust is 2.6% sodium. The most common occurrence is as sodium chloride (salt) but it also occurs in many minerals such as cryolite, zeolite and sodalite. In nature, it does not occur uncombined. "
p[12][30]="Discovered by Joseph Black (1755). First isolated by Sir Humprey Davy (1808)."
p[12][31]="1755"
p[12][32]="Magnesium does not occur uncombined. Large deposits of it are found in minerals such as magnesite and dolomite."
p[13][30]="Discovered by Hans Christian Oersted - first preparation (1825). Isolated by Wohler (1827)"
p[13][31]="1825"
p[13][32]="Aluminium forms 8.1% of the Earth's crust in the form of minerals such as bauxite and cryolite. It is the most abundant metal in Earth but is not found free in nature."
p[14][30]="Discovered by Credited to J.J. Berzelius"
p[14][31]="1824"
p[14][32]="Silicon is not found free in nature. It occurs mainly as the oxide in sand, quartz, rock crystal, amethyst, agate, flint and opal: and in silicate form in asbestos, granite, horneblende, feldspar, clay and mica."
p[15][30]="Discovered by H. Brandt"
p[15][31]="1669"
p[15][32]="Phosphorus is not found free in nature. It is distributed widely in combination with minerals. An important source, which occurs mainly in the USA and former USSR, is in the form of phosphate rock containing the apatite minerals."
p[16][30]="Discovered by ancient civilisations - called brimstone."
p[16][31]="0"
p[16][32]="Sulphur occurs in the form of iron pyrites, galena, gypsum, Epsom salts and other minerals. Important sources are found along the Gulf Coast of the USA and in the Alberta gas fields and also in Poland."
p[17][30]="Discovered by C.W Scheele (1774). Recognised as an element by Sir Humphrey Davy (1810)."
p[17][31]="1774"
p[17][32]="Chlorine is found combined chiefly with sodium as sodium chloride (common salt) and in the minerals carnallite and sylvite."
p[18][30]="Discovered by Lord Rayleigh and Sir William Ramsey"
p[18][31]="1894"
p[18][32]="Argon forms 0.94% af the Earth's atmosphere."
p[19][30]="Discovered by Sir Humphrey Davy"
p[19][31]="1807"
p[19][32]="2.4% of the Earth's crust is potassium. Most potassium minerals are not easily soluble but it can be recovered from ancient water beds in the form of minerals like sylvite, sylvinite and carnalite. Potassium hydroxide (potash) is another source."
p[20][30]="Discovered by Sir Humphrey Davy"
p[20][31]="1808"
p[20][32]="Calcium forms 3% of the Earth's crust by mass. It occurs abundantly as calcium carbonate (limestone), calcium sulphate (gypsum), calcium fluoride (fluorite) and as calcium chloro- or fluoro-phosphate (apatite)."
p[21][30]="Discovered by L.F. Nilson"
p[21][31]="1879"
p[21][32]="Scandium occurs widely in minute quantities in over 800 minerals. In contrast, it is the principal component of the rare mineral thortveitite (found in Scandinavia). "
p[22][30]="Discovered by Rev. W. Gregor"
p[22][31]="1791"
p[22][32]="Titanium is almost always present in igneous rocks and their sediments. It occurs in many iron ores and also in the minerals rutile, ilmenite, and sphene."
p[23][30]="Discovered by A.M. del Rio"
p[23][31]="1801"
p[23][32]="Vanadium occurs in about 65 minerals including vanadinite, carnotite and patronite and also in phosphate rock, certain iron ores and crude oils in the form of organic complexes."
p[24][30]="Discovered by N.E. Vauquelin"
p[24][31]="1780"
p[24][32]="Chromium is widely distributed, the prinicpal occurrence being in the ore chromite."
p[25][30]="Discovered by J.G. Grahn"
p[25][31]="1774"
p[25][32]="Manganese is widely distributed in many minerals, the most common being pyrolusite and rhodochrosite. It has also been discovered in nodules on the ocean floor which contain about 24% manganese and other elements in lesser quantities."
p[26][30]="Discovered by ancient civilisations"
p[26][31]="0"
p[26][32]="The Earth's core is thought to be largely composed of iron. The commonest occurrence of iron is in haematite. It also occurs widely in minerals such as magnetite and taconite. "
p[27][30]="Discovered by G. Brandt"
p[27][31]="1735"
p[27][32]="Cobalt occurs in the minerals cobaltite, smaltite and erythrite. These are most commonly found in Zaire, Morocco and Canada. It is also thought there may be large deposits of cobalt rich minerals in the north central Pacific Ocean."
p[28][30]="Discovered by A.F. Cronstedt"
p[28][31]="1751"
p[28][32]="Nickel occurs mainly in garnierite and pentlandite. About 30% of these minerals are found in Ontario, Canada."
p[29][30]="Discovered by ancient civilisations"
p[29][31]="0"
p[29][32]="Copper metal does occur naturally but the greatest source is in minerals such as chalcopyrite and bornite and in copper ores (sulphides, oxides and carbonates)."
p[30][30]="Discovered in India and China before 1500."
p[30][31]="1400"
p[30][32]="The principal occurrence of zinc is in these ores: zinc blende, calamine and marmatite."
p[31][30]="Discovered by  P Lecoq de Boisbaudran"
p[31][31]="1875"
p[31][32]="Gallium occurs in trace amounts in the minerals diaspore, sphalerite, germanite, bauxite and coal."
p[32][30]="Discovered by C.A. Winkler"
p[32][31]="1886"
p[32][32]="Germanium is present in zinc ores. It is also found in small quantities in the minerals germanite and argyrodite."
p[33][30]="Discovered by A. Magnus"
p[33][31]="1250"
p[33][32]="Arsenic occurs most commonly in the mineral mispickel, although it also occurs in others minerals including realgar and orpiment and can be found in the native state."
p[34][30]="Discovered by J.J. Berzelius"
p[34][31]="1817"
p[34][32]="Most of the world's selenium comes from the anodic muds from electrolytic copper refineries."
p[35][30]="Discovered by A.J. Balard"
p[35][31]="1826"
p[35][32]="Bromine occurs in seawater and other natural brine deposits."
p[36][30]="Discovered by Sir William Ramsay and M.W. Travers"
p[36][31]="1898"
p[36][32]="Krypton is obtained from liquid air, by distillation."
p[37][30]="Discovered by R.W. Bunsen and G. Kirchoff"
p[37][31]="1861"
p[37][32]="Rubidium occurs in the minerals pollucite, carnallite, leucite and lepidolite. It is also found in potassium minerals and brines."
p[38][30]="Discovered by A. Crawford, who recognised it (1790). Isolated by Sir Humphrey Davy (1808)."
p[38][31]="1790"
p[38][32]="Strontium occurs mainly in the minerals celestite and strontianite."
p[39][30]="Discovered by J.Gadolin"
p[39][31]="1794"
p[39][32]="Yttrium occurs in nearly all the rare-earth minerals."
p[40][30]="Discovered by M.H. Klaproth (1789). Isolated by J.J. Berzelius (1824)."
p[40][31]="1789"
p[40][32]="Zirconium occurs in about 30 different minerals. The major occurrences are baddeleyite and zircon, found in Brazil."
p[41][30]="Discovered by C. Hatchett"
p[41][31]="1801"
p[41][32]="Niobium occurs mainly in the mineral columbite."
p[42][30]="Discovered by P.J. Hjelm"
p[42][31]="1781"
p[42][32]="The major source of molybdenum is the ore molybdenite."
p[43][30]="Discovered by C. Perrier and E.G.Segr&egrave;"
p[43][31]="1937"
p[43][32]="Technetium comes from the fission products of uranium nuclear fuel."
p[44][30]="Discovered by J.A. Sniadecki (1808). Rediscovered by G.W. Osann (1828). Purified by Klaus (1844)."
p[44][31]="1808"
p[44][32]="Ruthenium does occur as the free metal. It is also associated with platinum metals in the mineral pentlandite. It can also be obtained from the wastes of nickel refining. "
p[45][30]="Discovered by W.H. Wollaston"
p[45][31]="1803"
p[45][32]="Rhodium occurs with other platinum metals in river sands in both North and South America. It also occurs in Ontario, Canada, in the form of copper-nickel sulphide ores."
p[46][30]="Discovered by W.H. Wollaston"
p[46][31]="1803"
p[46][32]="Palladium occurs associated with platinum and other metal deposits. It is also found associated with nickel-copper deposits."
p[47][30]="Discovered by ancient civilisations"
p[47][31]="0"
p[47][32]="The principal sources of silver are lead, lead-zinc, copper, gold and copper-nickel ores. It is also found in ores such as argentite and horn silver. "
p[48][30]="Discovered by F. Stromeyer"
p[48][31]="1817"
p[48][32]="The only mineral containing significant amounts of cadmium is greenockite. Some is present in sphalerite. Generally, though, cadmium is obtained as a by-product in the treatment of zinc, copper and lead ores."
p[49][30]="Discovered by F. Reich and H. Richter"
p[49][31]="1863"
p[49][32]="Indium occurs associated with zinc minerals and with iron, lead and copper ores."
p[50][30]="Discovered by ancient civilisations"
p[50][31]="0"
p[50][32]="The main source of tin is the ore cassiterite."
p[51][30]="Discovered by ancient civilisations"
p[51][31]="0"
p[51][32]="Antimony occurs in small quantities in over 100 minerals. It can be found as the native metal but more commonly as antimony (III) sulphide."
p[52][30]="Discovered by Baron M&uuml;ller von Reichenstein"
p[52][31]="1783"
p[52][32]="Tellurium occurs in the Earth's crust in 0.001 parts per million. Obtained from anode muds in copper refining."
p[53][30]="Discovered by B. Courtois"
p[53][31]="1811"
p[53][32]="Iodine occurs in sea water in 0.05 parts per million."
p[54][30]="Discovered by Sir William Ramsay and M.W. Travers"
p[54][31]="1898"
p[54][32]="Xenon occurs in the atmosphere in 0.086 parts per million by volume. It can also be found in gases evolving from some mineral springs."
p[55][30]="Discovered by R. Bunsen and G.R. Kirchoff"
p[55][31]="1860"
p[55][32]="Caesium occurs in the minerals pollucite and lepidolite."
p[56][30]="Discovered by Sir Humphrey Davy"
p[56][31]="1808"
p[56][32]="Barium is only found in combination with other elements mainly in the ores barytes and witherite. Barium phosphate-europium is used in sensitive X-ray film that reduces the exposure time."
p[57][30]="Discovered by C.G. Mosander"
p[57][31]="1839"
p[57][32]="Lanthanum occurs principally in the rare earth minerals monazite (25% lanthanum) and bastnaesite (38% lanthanum)."
p[58][30]="Discovered by J.J. Berzelius and W. Hisinger"
p[58][31]="1803"
p[58][32]="Cerium occurs in a number of minerals, mainly bastnaesite and monazite."
p[59][30]="Discovered by Baron Auer von Welsbach"
p[59][31]="1885"
p[59][32]="Praseodymium occurs in a number of minerals, mainly bastnaesite and monazite."
p[60][30]="Isolated in von Welsbach"
p[60][31]="1885"
p[60][32]="Neodymium occurs in a number of minerals, mainly bastnaesite and monazite."
p[61][30]="Discovered by (predicted by) Branner (1902). Produced by J. Marinsky, L. Glendenin and C. Coryell (1945)"
p[61][31]="1902"
p[61][32]="Promethium is not found naturally on Earth. It is obtained from the fission products of nuclear reactors and it has be identified on the planet Andromeda. "
p[62][30]="Discovered by P.E. Lecoq de Boisbaudran"
p[62][31]="1879"
p[62][32]="Samarium occurs in a number of minerals, mainly bastnaesite and monazite."
p[63][30]="Discovered by E.A. Demar&ccedil;ay"
p[63][31]="1901"
p[63][32]="Europium occurs in a number of minerals, mainly bastnaesite and monazite."
p[64][30]="Discovered by J.C. Galissard de Marignac (1880). Isolated by Lecoq de Boisbaudran (1886)."
p[64][31]="1880"
p[64][32]="Gadolinium occurs in a number of minerals, mainly bastnaesite and monazite. "
p[65][30]="Discovered by C.G. Mosander"
p[65][31]="1843"
p[65][32]="Terbium can be obtained from the mineral monazite and from the oxide euxenite, which contains more than 1% of the element."
p[66][30]="Discovered by P.E. Lecoq de Boisbaudran"
p[66][31]="1886"
p[66][32]="Dysprosium occurs in a number of minerals, mainly bastnaesite and monazite."
p[67][30]="Discovered by M. Delafontaine, J.L. Soret, P. T. Cleve"
p[67][31]="1878"
p[67][32]="The main source of holmium is the mineral monazite."
p[68][30]="Discovered by C.G. Mosander"
p[68][31]="1842"
p[68][32]="Erbium occurs mainly in the minerals bastnaesite and monazite."
p[69][30]="Discovered by P.T. Cleve"
p[69][31]="1879"
p[69][32]="Thulium occurs mainly in the mineral monazite."
p[70][30]="Discovered by J.C.G. de Marignac"
p[70][31]="1878"
p[70][32]="Ytterbium occurs mainly in the minerals bastnaesite and monazite."
p[71][30]="Discovered by G. Urbain, C.James"
p[71][31]="1907"
p[71][32]="The principal source of lutetium is the mineral monazite."
p[72][30]="Discovered by D. Coster and G.C. von Hevesey"
p[72][31]="1923"
p[72][32]="Most zirconium minerals contain between 1% and 5% hafnium."
p[73][30]="Discovered by A.G. Ekeberg"
p[73][31]="1802"
p[73][32]="Tantalum is found mainly in the mineral columbite-tantalite."
p[74][30]="Discovered by J.J. and F. Elhuijar"
p[74][31]="1783"
p[74][32]="Tungsten occurs mainly in the ores scheelite and wolframite."
p[75][30]="Discovered by W. Noddack, I. Tacke and O. Berg"
p[75][31]="1925"
p[75][32]="Rhenium is widely spread throughout the Earth's crust in about 0.001 parts per million. It is extracted from the flue dusts of molybdenum smelters."
p[76][30]="Discovered by S. Tennant"
p[76][31]="1803"
p[76][32]="Osmium occurs in the free state and in the  mineral osmiridium."
p[77][30]="Discovered by S. Tennant"
p[77][31]="1803"
p[77][32]="Iridium occurs in the free state in alluvial deposits."
p[78][30]="Discovered pre-Columbian by South Americans and taken to Europe in 1750"
p[78][31]="1700"
p[78][32]="Platinum occurs in the free state in alluvial deposits."
p[79][30]="Discovered by ancient civilisations"
p[79][31]="0"
p[79][32]="Gold occurs both free and combined in alluvial deposits."
p[80][30]="Discovered by ancient civilisations"
p[80][31]="0"
p[80][32]="Mercury is found in ores, principally cinnabar. 50% of the world's cinnabar is found in Spain and Italy. It very rarely occurs freely in nature."
p[81][30]="Discovered by W. Crookes"
p[81][31]="1861"
p[81][32]="Thallium occurs in several ores, mainly pyrites. It is also present in manganese nodules found on the ocean floor."
p[82][30]="Discovered by ancient civilisations"
p[82][31]="0"
p[82][32]="Lead is obtained principally from the mineral galena."
p[83][30]="Known in the 15th century."
p[83][31]="1400"
p[83][32]="Bismuth occurs free as a metal and in ores such as bismuthinite and bismite."
p[84][30]="Discovered by Marie Curie"
p[84][31]="1898"
p[84][32]="Polonium is a rare natural element. It is obtained when natural bismuth is bombarded by neutrons"
p[85][30]="Discovered by D.R. Corson, K.R. MacKenzie and F. Segr&egrave;"
p[85][31]="1940"
p[85][32]="Astatine is usually obtained by neutron bombardment of bismuth."
p[86][30]="Discovered by F.E. Dorn"
p[86][31]="1900"
p[86][32]="Radon occurs naturally from the decay of a radium isotope, 226 Ra."
p[87][30]="Discovered by Marguerite Perey"
p[87][31]="1939"
p[87][32]="Francium occurs as a result of the alpha disintegration of actinium, which is obtained from the neutron bombardment of radium."
p[88][30]="Discovered by Pierre and Marie Curie"
p[88][31]="1898"
p[88][32]="Radium occurs in all uranium ores."
p[89][30]="Discovered by A. Debierne"
p[89][31]="1899"
p[89][32]="Actinium occurs naturally in uranium minerals."
p[90][30]="Discovered by J.J. Berzelius"
p[90][31]="1815"
p[90][32]="Thorium occurs in large deposits in various parts of the world, mainly the USA."
p[91][30]="Discovered by Hahn, Meitner, Fleck"
p[91][31]="1917"
p[91][32]="Protactinium occurs naturally in uranium ores."
p[92][30]="Discovered by M.H. Klaproth"
p[92][31]="1789"
p[92][32]="Uranium occurs naturally in pitchblende, uraninite and carnotite. It is also found in phosphate rock and monazite sands. "
p[93][30]="Discovered by E.M. McMillan and P. Abelson"
p[93][31]="1940"
p[93][32]="Neptunium is obtained as a by-product from nuclear reactors."
p[94][30]="Discovered by G.T. Seaborg, A.C. Wahl and J.W. Kennedy"
p[94][31]="1940"
p[94][32]="The major source of plutonium is the irradiation of uranium in nuclear reactors."
p[95][30]="Discovered by G.T. Seaborg, R.A. James, L.O. Morgan and A. Ghiorso"
p[95][31]="1944"
p[95][32]="Americium is produced in nuclear reactors by neutron bombardment of plutonium."
p[96][30]="Discovered by G.T. Seaborg, R.A. James and A. Ghiorso"
p[96][31]="1944"
p[96][32]="Minute amounts of curium may exist in natural deposits of uranium. Small amounts of it can be made by the neutron bombardment of plutonium. "
p[97][30]="Discovered by S.C. Thompson, A. Ghiorso and G.T. Seaborg"
p[97][31]="1949"
p[97][32]="Berkelium can be obtained only in minute quantities by the neutron bombardment of plutonium."
p[98][30]="Discovered by S.G. Thompson, K.Street, A. Ghiorso and G.T.Seaborg"
p[98][31]="1950"
p[98][32]="Californium can be obtained only in minute quantities by the neutron bombardment of plutonium."
p[99][30]="Discovered by G.R. Choppin, S.G. Thompson, A. Ghiorso and B.G. Harvey"
p[99][31]="1952"
p[99][32]="Einsteinium can be obtained only in minute quantities by the neutron bombardment of plutonium."
p[100][30]="Discovered by G.R. Choppin, S.G. Thompson, A. Ghiorso and B.G. Harvey"
p[100][31]="1952"
p[100][32]="Fermium can be obtained only in minute quantities by the neutron bombardment of plutonium."
p[101][30]="Discovered by A. Ghiorso and co-workers"
p[101][31]="1955"
p[101][32]="Mendelevium is obtained by bombarding einsteinium with alpha-particles."
p[102][30]="Discovered by A. Ghiorso and co-workers"
p[102][31]="1958"
p[102][32]="Nobelium is obtained by the bombardment of curium with carbon nuclei."
p[103][30]="Discovered by A. Ghiorso and co-workers"
p[103][31]="1961"
p[103][32]="Lawrencium is obtained by bombarding californium with boron nuclei."
p[104][30]="Discovered by various parties at Dubna, Moscow and Berkeley, California (two different isotopes)."
p[104][31]="1964"
p[104][32]="Rutherfordium is a transuranium element created by bombarding californium with carbon nuclei."
p[105][30]="Discovered by various parties at Dubna, Moscow and Berkeley, California respectively"
p[105][31]="1970"
p[105][32]="Dubnium is a transuranium element created by bombarding californium with nitrogen nuclei."
p[106][30]="Discovered by Albert Ghiorso"
p[106][31]="1974"
p[106][32]="Seaborgium is a transuranium element created by bombarding californium with oxygen nuclei."
p[107][30]="Discovered by Peter Armbruster, Gottfried Munzenberg and co-workers"
p[107][31]="1981"
p[107][32]="Only a few atoms of bohrium have ever been made. It is a transuranium element created by the so-called cold fusion method in which a target of bismuth is bombarded with atoms of chromium."
p[108][30]="Discovered by Peter Armbruster, Gottfried Munzenberg and co-workers"
p[108][31]="1984"
p[108][32]="Only a few atoms of hassium have ever been made. It is a transuranium element created by the so-called cold fusion method in which a target of lead is bombarded with atoms of iron."
p[109][30]="Discovered by Peter Armbruster, Gottfried Munzenberg and co-workers"
p[109][31]="1982"
p[109][32]="Less than 10 atoms of meitnerium have ever been made. It is a transuranium element created by the so-called cold fusion method in which a target of bismuth is bombarded with atoms of iron."

p[1][40]="No reaction"
p[1][41]="Burns in air to form water.  Reacts explosively with oxygen  under certain conditions"
p[1][42]="H<sub>2</sub>O<br>H<sub>2</sub>O<sub>2</sub>"
p[2][40]="No reaction"
p[2][41]="No reaction"
p[2][42]="None"
p[3][40]="Reacts rather slowly at 25<sup>o</sup>C, evolving hydrogen.  (Reaction less vigorous than between Na and water)"
p[3][41]="Reacts vigorously at 100<sup>o</sup>C or higher.  Very pure lithium does not react readily with dry oxygen at room temperature."
p[3][42]="Li<sub>2</sub>O<br>Li<sub>2</sub>O<sub>2</sub>"
p[4][40]="No reaction with water or steam, even at red heat (probably due to oxide film on surface)."
p[4][41]="Forms inert and impervious oxide film on surface:  ignites at temperatures above 600<sup>o</sup>C to form BeO "
p[4][42]="BeO"
p[5][40]="Steam reacts with boron at red heat to form boric acid and hydrogen.  Boiling water reacts slowly with powdered boron."
p[5][41]="Ignites in air when heated to 700<sup>o</sup>C.Ignites in oxygen at temperatures above 300<sup>o</sup>C."
p[5][42]="B<sub>2</sub>O<sub>3</sub>"
p[6][40]="No reaction with graphite.  Amorphous carbon (coke) reacts with steam at 1000<sup>o</sup>C to produce CO and H<sub>2</sub>"
p[6][41]="Graphite reacts only very slowly when heated to a high temperature.  Amorphous carbon burns more readily."
p[6][42]="CO<br>CO<sub>2</sub><br>C<sub>3</sub>O<sub>2</sub>"
p[7][40]="No reaction"
p[7][41]="Reacts with oxygen at high temperatures to form NO."
p[7][42]="N<sub>2</sub>O<br>NO<br>N<sub>2</sub>O<sub>3</sub><br>N<sub>2</sub>O<sub>4</sub><br>N<sub>2</sub>O<sub>5</sub>"
p[8][40]="Slightly soluble"
p[8][41]="No reaction"
p[8][42]="O<sub>2</sub><br>O<sub>3</sub>"
p[9][40]="Reacts at low temperatures to produce HOF.  At normal temperatures reacts to produce oxygen and trioxygen (ozone)."
p[9][41]="No reaction under normal conditions.  A high-voltage discharge causes a mixture of F<sub>2</sub> and O<sub>2</sub> to form O<sub>2</sub>F<sub>2</sub> "
p[9][42]="O<sub>2</sub>F<sub>2</sub><br>OF<sub>2</sub>"
p[10][40]="No reaction"
p[10][41]="No reaction"
p[10][42]="None"
p[11][40]="Reacts vigorously on gently heating.  Hydrogen is evolved."
p[11][41]="Burns in air when heated to about 125<sup>o</sup>C. The flame of burning metal is extinguished by thoroughly dried O<sub>2</sub>."
p[11][42]="NaO<sub>2</sub><br>Na<sub>2</sub>O<br>Na<sub>2</sub>O<sub>2</sub>"
p[12][40]="Reacts with hot water/steam. Hydrogen is evolved"
p[12][41]="Magnesium ribbon burns, on heating in air to form MgO. Protective film of  oxide forms on surface of freshly cut metal in air. "
p[12][42]="MgO<br>MgO<sub>2</sub>"
p[13][40]="Initial reaction with hot distilled H<sub>2</sub>O, but reaction stops due to formation  of impervious film on surface."
p[13][41]="Bright aluminium oxidizes rapidly, a thin surface layer of oxide then protects it from further oxidation."
p[13][42]="Al<sub>2</sub>O<sub>3</sub>"
p[14][40]="No reaction at normal temperatures. At bright red heat reacts slowly with steam to form SiO<sub>2</sub> and H<sub>2</sub>."
p[14][41]="No reaction at normal temperatures.  Oxidises in air only when heated to  temperatures greater than 950<sup>o</sup>C."
p[14][42]="SiO<sub>2</sub>: quartz<br>cristobalite<br>tridymite"
p[15][40]="White P in water vapour produces phosphine and phosphonic acid above 200<sup>o</sup>C and phosphorus(v) oxide above 1000<sup>o</sup>C"
p[15][41]="Burns in air or oxygen.  (White phosphorus is more reactive than red phosporus - oxidixes spontaneously at room temperature, often bursting into flame.)"
p[15][42]="P<sub>4</sub>O<sub>6</sub><br>P<sub>4</sub>O<sub>10</sub>"
p[16][40]="No reaction at normal temperatures. At very high temperatures reacts  with steam to form pentathionic acid."
p[16][41]="Burns in air or oxygen when heated."
p[16][42]="S<sub>2</sub>O<br>S<sub>2</sub>O<sub>3</sub><br>SO<sub>2</sub><br>SO<sub>3</sub>"
p[17][40]="dissolves in water to give oxychloric(I) acid and HCl"
p[17][41]="No reaction with molecular oxygen under normal conditions"
p[17][42]="ClOClO<sub>3</sub><br>ClO<sub>2</sub><br>Cl<sub>2</sub>O<sub>6</sub><br>Cl<sub>2</sub>O<sub>7</sub><br>Cl<sub>2</sub>O"
p[18][40]="No reaction"
p[18][41]="No reaction"
p[18][42]="None"
p[19][40]="Reacts vigorously at room temperature.  The hydrogen evolved ignites spontaneously."
p[19][41]="Burns in air, more reactive than sodium.  Potassium does not react with dry oxygen; the freely burning metal is extinguished by dry gas. "
p[19][42]="KO<sub>2</sub><br>K<sub>2</sub>O<br>K<sub>2</sub>O<sub>2</sub>"
p[20][40]="Reacts slowly with cold water giving calcium hydroxide and hydrogen."
p[20][41]="Burns in air to form CaO. No reaction with dry oxygen at room temperature; at 300<sup>o</sup>C,burns vigorously. "
p[20][42]="CaO<br>CaO<sub>2</sub>"
p[21][40]="Reacts with water to form hydrogen gas."
p[21][41]="Tarnishes in air and burns easily"
p[21][42]="Sc<sub>2</sub>O<sub>3</sub>"
p[22][40]="Reacts with steam at high temperatures"
p[22][41]="Combines with oxygen at high temperatures"
p[22][42]="TiO<br>Ti<sub>2</sub>O<sub>3</sub><br>TiO<sub>2</sub>"
p[23][40]="Does not react in massive state"
p[23][41]="Combines with oxygen at high temperatures to give V<sub>2</sub>O<sub>5</sub>"
p[23][42]="VO<br>V<sub>2</sub>O<sub>3</sub><br>V<sub>2</sub>O<sub>4</sub><br>V<sub>2</sub>O<sub>5</sub><br>V<sub>3</sub>O<sub>5</sub>"
p[24][40]="Reacts with steam at high temperatures"
p[24][41]="Combines with oxygen at high temperatures"
p[24][42]="Cr<sub>2</sub>O<sub>3</sub><br>CrO<sub>2</sub><br>CrO<sub>3</sub>"
p[25][40]="Reacts with warm water producing hydrogen"
p[25][41]="Reacts with oxygen at high temperatures to form Mn<sub>3</sub>O<sub>4</sub>."
p[25][42]="MnO<br>Mn<sub>3</sub>O<sub>4</sub><br>Mn<sub>2</sub>O<sub>3</sub><br>MnO<sub>2</sub><br>Mn<sub>2</sub>O<sub>7</sub>"
p[26][40]="Reacts with steam at red heat"
p[26][41]="Rapidly oxidised in moist air to give hydrous Fe (III) oxide (rust). Iron filings burn in oxygen with a shower of sparks."
p[26][42]="FeO<br>Fe<sub>3</sub>O<sub>4</sub><br>Fe<sub>2</sub>O<sub>3</sub>"
p[27][40]="Reacts with water vapour at high temperatures to give CoO"
p[27][41]="Reacts at high temperatures to form CoO"
p[27][42]="CoO<br>Co<sub>3</sub>O<sub>4</sub>"
p[28][40]="Reacts with steam at red heat"
p[28][41]="Reacts at high temperatures to form NiO"
p[28][42]="NiO<br>Ni<sub>2</sub>O<sub>3</sub>"
p[29][40]="Attacked by steam only at white heat."
p[29][41]="Reacts at red heat to form CuO and at higher temperatures to form Cu<sub>2</sub>O"
p[29][42]="Cu<sub>2</sub>O<br>CuO"
p[30][40]="Reacts with steam on heating to form ZnO"
p[30][41]="Reacts on heating to form ZnO"
p[30][42]="ZnO<br>ZnO<sub>2</sub>"
p[31][40]="Reacts with water at 200<sup>o</sup>C under pressure"
p[31][41]="Forms protective surface film of oxide in air (like aluminium)"
p[31][42]="Ga<sub>2</sub>O<br>GaO<br>Ga<sub>2</sub>O<sub>3</sub>"
p[32][40]="No reaction with hot water"
p[32][41]="Reacts with oxygen when heated to form GeO<sub>2</sub> "
p[32][42]="GeO<br>GeO<sub>2</sub>"
p[33][40]="No reaction with hot water"
p[33][41]="Combines, on heating, to form As<sub>4</sub>O<sub>6</sub>"
p[33][42]="AsO<br>As<sub>4</sub>O<sub>6</sub><br>As<sub>2</sub>O<sub>5</sub>"
p[34][40]="Grey selenium is oxidised to some extent by water at 160<sup>o</sup>C"
p[34][41]="Reacts slowly at room temperature and burns in air/oxygen when heated to form SeO<sub>2</sub>"
p[34][42]="SeO<sub>2</sub><br>SeO<sub>3</sub>"
p[35][40]="Moderately soluble in water"
p[35][41]="No reaction with molecular oxygen under normal conditions.  High-voltage discharge causes Br<sub>2</sub> and O<sub>2</sub> to form Br<sub>2</sub>O."
p[35][42]="Br<sub>2</sub>O<br>BrO<sub>2</sub>"
p[36][40]="No reaction"
p[36][41]="No reaction"
p[36][42]="None"
p[37][40]="Explosive reaction"
p[37][41]="Burns to give RbO<sub>2</sub>"
p[37][42]="Rb<sub>2</sub>O<br>Rb<sub>2</sub>O<sub>2</sub><br>RbO<sub>2</sub>"
p[38][40]="Reacts with cold water to give hydroxide and hydrogen."
p[38][41]="Reacts on heating to form SrO."
p[38][42]="SrO<br>SrO<sub>2</sub>"
p[39][40]="Reacts with water, slowly in cold, rapidly on heating to liberate hydrogen"
p[39][41]="Yttrium is very resistant to air, up to 1000<sup>o</sup>C, owing to formation of a protective film of oxide."
p[39][42]="Y<sub>2</sub>O<sub>3</sub>"
p[40][40]="No reaction"
p[40][41]="Burns at high temperatures to give oxide"
p[40][42]="ZrO<sub>2</sub>"
p[41][40]="Reacts with water vapour at about 250<sup>o</sup>C to form surface film of NbO "
p[41][41]="Reacts on heating to form oxides"
p[41][42]="NbO<br>NbO<sub>2</sub><br>Nb<sub>2</sub>O<sub>5</sub>"
p[42][40]="No reaction with water.  Reacts with water vapour at red heat to form MoO<sub>3</sub>"
p[42][41]="Reacts with oxygen at red heat to form MoO<sub>3</sub>"
p[42][42]="MoO<br>MoO<sub>2</sub><br>MoO<sub>3</sub>"
p[43][40]="No information"
p[43][41]="Burns in air at temperatures above 400<sup>o</sup>C to give Tc<sub>2</sub>O<sub>7</sub>"
p[43][42]="TcO<sub>2</sub><br>Tc<sub>2</sub>O<sub>7</sub>"
p[44][40]="No information"
p[44][41]="Reacts with oxygen on heating to form RuO<sub>2</sub> and RuO<sub>4</sub>"
p[44][42]="RuO<sub>2</sub><br>RuO<sub>4</sub>"
p[45][40]="No information"
p[45][41]="Oxidised on heating in air  "
p[45][42]="Rh<sub>2</sub>O<sub>3</sub>"
p[46][40]="No information"
p[46][41]="Reacts with oxygen at red heat"
p[46][42]="PdO<br>PdO<sub>2</sub>"
p[47][40]="Resistant to attack by steam"
p[47][41]="Resistant to attack by air; (molten siver dissolves oxygen which is evolved on solidification)"
p[47][42]="Ag<sub>2</sub>O<br>Ag<sub>2</sub>O<sub>2</sub><br>AgO"
p[48][40]="Reacts with steam to form CdO"
p[48][41]="Combines with oxygen on heating"
p[48][42]="CdO"
p[49][40]="Does not react  in bulk form.  When in 'sponge' or powder form reacts to form hydroxide"
p[49][41]="Combines with oxygen when red hot"
p[49][42]="InO<br>In<sub>2</sub>O<sub>3</sub>"
p[50][40]="Resistant to attack"
p[50][41]="Burns at white heat to form SnO"
p[50][42]="SnO<br>SnO<sub>2</sub>"
p[51][40]="Slowly attacked by water exposed to air"
p[51][41]="Reacts with oxygen on heating to form Sb<sub>4</sub>O<sub>6</sub>"
p[51][42]="Sb<sub>2</sub>O<sub>3</sub><br>Sb<sub>2</sub>O<sub>4</sub><br>Sb<sub>2</sub>O<sub>5</sub>"
p[52][40]="No reaction with water (in contrast to selenium)"
p[52][41]="Reacts slowly at room temperature and burns in air when heated to form TeO<sub>2</sub>"
p[52][42]="TeO<br>TeO<sub>2</sub><br>TeO<sub>3</sub>"
p[53][40]="Slightly soluble"
p[53][41]="No reaction under normal conditions. "
p[53][42]="I<sub>2</sub>O<sub>4</sub><br>I<sub>2</sub>O<sub>5</sub>"
p[54][40]="No reaction"
p[54][41]="No information"
p[54][42]="XeO<sub>3</sub>"
p[55][40]="Reacts explosively"
p[55][41]="Burns to give CsO<sub>2</sub>"
p[55][42]="Cs<sub>2</sub>O<br>CsO<sub>2</sub>"
p[56][40]="Reacts with cold water to give hydroxide and hydrogen (more vigorously than strontium)."
p[56][41]="Ignites spontaneously when the powdered form is exposed to air"
p[56][42]="BaO<br>BaO<sub>2</sub>"
p[57][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[57][41]="Burns easily to give oxide"
p[57][42]="La<sub>2</sub>O<sub>3</sub>"
p[58][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[58][41]="Burns easily to give CeO<sub>2</sub>"
p[58][42]="Ce<sub>2</sub>O<sub>3</sub><br>CeO<sub>2</sub>"
p[59][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[59][41]="Burns easily to give Pr<sub>2</sub>O<sub>3</sub>"
p[59][42]="Pr<sub>2</sub>O<sub>3</sub><br>PrO<sub>2</sub>"
p[60][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[60][41]="Burns easily to give oxide"
p[60][42]="Nd<sub>2</sub>O<sub>3</sub>"
p[61][40]="No information"
p[61][41]="No information"
p[61][42]="Not known"
p[62][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[62][41]="Burns easily to give oxide"
p[62][42]="Sm<sub>2</sub>O<sub>3</sub>"
p[63][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[63][41]="Burns easily to give oxide"
p[63][42]="Eu<sub>2</sub>O<sub>3</sub>"
p[64][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[64][41]="Burns easily to give oxide"
p[64][42]="Gd<sub>2</sub>O<sub>3</sub>"
p[65][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[65][41]="Burns easily to give oxide"
p[65][42]="Tb<sub>2</sub>O<sub>3</sub>"
p[66][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[66][41]="Burns easily to give oxide"
p[66][42]="Dy<sub>2</sub>O<sub>3</sub>"
p[67][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[67][41]="Burns easily to give oxide"
p[67][42]="Ho<sub>2</sub>O<sub>3</sub>"
p[68][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[68][41]="Burns easily to give oxide"
p[68][42]="Er<sub>2</sub>O<sub>3</sub>"
p[69][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[69][41]="Burns easily to give oxide"
p[69][42]="Tm<sub>2</sub>O<sub>3</sub>"
p[70][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[70][41]="Burns easily to give oxide"
p[70][42]="Yb<sub>2</sub>O<sub>3</sub>"
p[71][40]="Reacts slowly in cold, rapidly on heating, to liberate hydrogen"
p[71][41]="Burns easily to give oxide"
p[71][42]="Lu<sub>2</sub>O<sub>3</sub>"
p[72][40]="No information"
p[72][41]="Burns at high temperature to give oxide"
p[72][42]="HfO<sub>2</sub>"
p[73][40]="Reacts with water vapour at red heat (950<sup>o</sup>C to 1300<sup>o</sup>C) to form Ta<sub>2</sub>O<sub>5</sub>"
p[73][41]="Burns in oxygen at 600<sup>o</sup>C"
p[73][42]="TaO<sub>2</sub><br>Ta<sub>2</sub>O<sub>5</sub>"
p[74][40]="Reacts with water vapour at red heat"
p[74][41]="Reacts with oxygen at red heat to form WO<sub>3</sub>"
p[74][42]="WO<sub>2</sub><br>WO<sub>3</sub>"
p[75][40]="No reaction"
p[75][41]="Burns in air at temperatures above 400<sup>o</sup>C to give Re<sub>2</sub>O<sub>7</sub>"
p[75][42]="Re<sub>2</sub>O<sub>3</sub><br>ReO<sub>2</sub><br>ReO<sub>3</sub><br>Re<sub>2</sub>O<sub>7</sub>"
p[76][40]="No reaction"
p[76][41]="Reacts on heating to 200<sup>o</sup>C to form OsO<sub>4</sub>"
p[76][42]="OsO<sub>2</sub><br>OsO<sub>4</sub>"
p[77][40]="No reaction"
p[77][41]="Reacts with O<sub>2</sub> only at red heat"
p[77][42]="Ir<sub>2</sub>O<sub>3</sub><br>IrO<sub>2</sub>"
p[78][40]="No reaction  (Pt is more resistant to attack than palladium)"
p[78][41]="Not oxidised on heating"
p[78][42]="PtO<br>PtO<sub>2</sub><br>PtO<sub>3</sub>"
p[79][40]="Not attacked by water or steam"
p[79][41]="Not oxidised on heating"
p[79][42]="Au<sub>2</sub>O<sub>3</sub>"
p[80][40]="Not attacked by water"
p[80][41]="Combines with oxygen above 300 to 350<sup>o</sup>C to form HgO but oxide decomposes above 400<sup>o</sup>C"
p[80][42]="Hg<sub>2</sub>O<br>HgO"
p[81][40]="Reacts slowly with water, decomposes steam at red heat"
p[81][41]="Oxidised slowly by dry air at room temperature"
p[81][42]="Tl<sub>2</sub>O<br>Tl<sub>2</sub>O<sub>3</sub>"
p[82][40]="Lead is attacked by water containing dissolved O<sub>2</sub>"
p[82][41]="Reacts on heating to form PbO"
p[82][42]="PbO<br>Pb<sub>2</sub>O<sub>3</sub><br>Pb<sub>3</sub>O<sub>4</sub><br>PbO<sub>2</sub>"
p[83][40]="Reacts slowly with water vapour at red heat to form Bi<sub>2</sub>O<sub>3</sub>"
p[83][41]="Reacts when heated in air to form Bi<sub>2</sub>O<sub>3</sub>"
p[83][42]="Bi<sub>2</sub>O<sub>3</sub><br>Bi<sub>2</sub>O<sub>5</sub>"
p[84][40]="No reaction"
p[84][41]="Burns in air when heated to form PoO<sub>2</sub>"
p[84][42]="PoO<sub>2</sub>"
p[85][40]="Slightly soluble"
p[85][41]="No information"
p[85][42]="Not known"
p[86][40]="No reaction"
p[86][41]="No reaction"
p[86][42]="None"
p[87][40]="No information"
p[87][41]="No information"
p[87][42]="Not known"
p[88][40]="No reaction"
p[88][41]="No information"
p[88][42]="RaO"
p[89][40]="No information"
p[89][41]="No information"
p[89][42]="Ac<sub>2</sub>O<sub>3</sub>"
p[90][40]="No information"
p[90][41]="Reacts on heating"
p[90][42]="ThO<sub>2</sub>"
p[91][40]="No information"
p[91][41]="No information"
p[91][42]="Not known"
p[92][40]="Complex reaction; boiling water forms UO<sub>2</sub> and hydrogen, hydrogen reacts with metal to form hydride"
p[92][41]="Ignites in air at 600 to 700<sup>o</sup>C"
p[92][42]="UO<sub>2</sub><br>UO<sub>3</sub><br>U<sub>4</sub>O9<br>U<sub>3</sub>O<sub>7</sub><br>U<sub>3</sub>O<sub>8</sub>"
p[93][40]="No information"
p[93][41]="No information"
p[93][42]="NP<sub>3</sub>O<sub>3</sub><br>NpO<sub>2</sub>"
p[94][40]="Reacts rapidly with water vapour in the atmosphere.  Plutonium self-heats (due to radioactivity)."
p[94][41]="Reacts on heating. Surface oxidation occurs at room temperature owing to plutonium self-heating (due to radioactivity)."
p[94][42]="PuO<br>Pu<sub>2</sub>O<sub>3</sub><br>PuO<sub>2</sub>"
p[95][40]="No information"
p[95][41]="No information"
p[95][42]="AmO<br>Am<sub>2</sub>O<sub>3</sub><br>AmO<sub>2</sub>"
p[96][40]="No information"
p[96][41]="No information"
p[96][42]="Cm<sub>2</sub>O<sub>3</sub><br>BkO<sub>2</sub>"
p[97][40]="No information"
p[97][41]="No information"
p[97][42]="BkO<br>Bk<sub>2</sub>O<sub>3</sub><br>BkO<sub>2</sub>"
p[98][40]="No information"
p[98][41]="No information"
p[98][42]="Cf<sub>2</sub>O<sub>3</sub><br>CfO<sub>2</sub>"
p[99][40]="No information"
p[99][41]="No information"
p[99][42]="EsO<sub>2</sub>"
p[100][40]="No information"
p[100][41]="No information"
p[100][42]="Not known"
p[101][40]="No information"
p[101][41]="No information"
p[101][42]="Not known"
p[102][40]="No information"
p[102][41]="No information"
p[102][42]="Not known"
p[103][40]="No information"
p[103][41]="No information"
p[103][42]="Not known"
p[104][40]="No information"
p[104][41]="No information"
p[104][42]="Not known"
p[105][40]="No information"
p[105][41]="No information"
p[105][42]="Not known"
p[106][40]="No information"
p[106][41]="No information"
p[106][42]="Not known"
p[107][40]="No information"
p[107][41]="No information"
p[107][42]="Not known"
p[108][40]="No information"
p[108][41]="No information"
p[108][42]="Not known"
p[109][40]="No information"
p[109][41]="No information"
p[109][42]="Not known"
p[1][43]="273<br>273"
p[1][44]="373<br>323"
p[1][45]=""
p[2][43]=""
p[2][44]=""
p[2][45]=""
p[3][43]="1987 +<br>~1250"
p[3][44]="?<br>?"
p[3][45]="basic<br>basic"
p[4][43]="2823 ~"
p[4][44]="4173 ~"
p[4][45]="amphoteric"
p[5][43]="723 ~"
p[5][44]="2133 ~"
p[5][45]="very weakly acidic"
p[6][43]="74<br>217<br>162 "
p[6][44]="82<br>195<br>280"
p[6][45]="acidic<br>acidic<br>acidic"
p[7][43]="182<br>110 <br>171<br>262<br>303"
p[7][44]="185<br>121<br>277 dec<br> 294<br>320 dec"
p[7][45]="acidic<br>acidic<br>acidic<br>acidic<br>acidic"
p[8][43]="55<br>81"
p[8][44]="90<br>161"
p[8][45]=""
p[9][43]="119<br>49.2"
p[9][44]="216<br>128"
p[9][45]="acidic<br>acidic"
p[10][43]=""
p[10][44]=""
p[10][45]=""
p[11][43]="?<br>1548 sub<br>733 dec"
p[11][44]="?<br>N.a.<br>930 dec"
p[11][45]="strongly basic<br>strongly basic<br>strongly basic"
p[12][43]="3125<br>?"
p[12][44]="3873<br>?"
p[12][45]="basic<br>basic"
p[13][43]="2345"
p[13][44]="3253"
p[13][45]="amphoteric"
p[14][43]="1883<br>1996<br>1976"
p[14][44]="2503<br>2503<br>2503"
p[14][45]="acidic"
p[15][43]="297<br>853 high<br>&nbsp;&nbsp;pres"
p[15][44]="448<br>573 sub"
p[15][45]="acidic<br>acidic"
p[16][43]="?<br>?<br>200<br>290"
p[16][44]="?<br>?<br>263<br>318"
p[16][45]="acidic<br>acidic<br>acidic<br>acidic"
p[17][43]="156<br> 214<br> 277<br>182<br>253"
p[17][44]="318<br>~ 283<br> ~473<br>355<br>~ 277exp"
p[17][45]="acidic<br>acidic<br>acidic<br>acidic<br>acidic"
p[18][43]=""
p[18][44]=""
p[18][45]=""
p[19][43]="653<br>623 dec<br>763"
p[19][44]="dec<br>-<br>?"
p[19][45]="basic<br>basic<br>basic"
p[20][43]="2887<br>?"
p[20][44]="3123<br>?"
p[20][45]="basic<br>basic"
p[21][43]="2758"
p[21][44]="?"
p[21][45]="amphoteric"
p[22][43]="2023<br>2403 dec<br>2103"
p[22][44]="?<br>-<br>?"
p[22][45]="Oxidised by water)<br>inert<br>amphoteric"
p[23][43]="2063<br>2243<br>2240<br>963<br>950"
p[23][44]="?<br>?<br>?<br>2023 dec<br>2023"
p[23][45]="basic<br>basic<br>amphoteric<br>amphoteric"
p[24][43]="2538<br>~ 673 dec<br>469"
p[24][44]="4273<br>-<br>dec"
p[24][45]="amphoteric<br><br>acidic"
p[25][43]="2058<br>1837<br>1353 dec<br>808dec<br>279"
p[25][44]="?<br>?<br>-<br>-<br>368 exp"
p[25][45]="basic<br><br>basic<br>amphoteric<br>acidic"
p[26][43]="1642<br>1838<br>1867"
p[26][44]="?<br>?<br>?"
p[26][45]="amphoteric<br>amphoteric<br>amphoteric"
p[27][43]="2078<br>1173 dec"
p[27][44]="?<br>-"
p[27][45]="amphoteric"
p[28][43]="2257<br>~873 dec"
p[28][44]="?<br>-"
p[28][45]="basic<br>basic"
p[29][43]="1508<br>1599"
p[29][44]="2073 dec<br>?"
p[29][45]="basic<br>basic"
p[30][43]="2248<br> > 423 dec"
p[30][44]="?<br>485 exp"
p[30][45]="amphoteric<br>"
p[31][43]="933+<br>?<br>2068"
p[31][44]="1073 + dec<br>?<br>?<br>"
p[31][45]="<br><br>basic"
p[32][43]="983 sub<br>1388"
p[32][44]="-<br>?"
p[32][45]="<br>acidic"
p[33][43]="?<br>584<br>588 dec"
p[33][44]="?<br>630 ?<br>? "
p[33][45]="acidic<br>acidic<br>acidic"
p[34][43]="588 sub<br>391"
p[34][44]="-<br>?"
p[34][45]="acidic<br>acidic"
p[35][43]="256 dec<br>~ 273 dec"
p[35][44]="-<br>-"
p[35][45]="acidic<br>acidic"
p[36][43]=""
p[36][44]=""
p[36][45]=""
p[37][43]="673 dec<br>~873 dec<br>685"
p[37][44]="-<br>-<br>?"
p[37][45]="basic<br>basic<br>basic"
p[38][43]="2703<br>488 dec"
p[38][44]="3273 ~<br>-"
p[38][45]="basic<br>basic"
p[39][43]="2712"
p[39][44]="?"
p[39][45]="basic"
p[40][43]="2983"
p[40][44]="?"
p[40][45]="amphoteric"
p[41][43]="2210<br>2175<br>1785"
p[41][44]="?<br>?<br>?"
p[41][45]="<br><br>acidic"
p[42][43]="?<br>~1373 dec<br>1074"
p[42][44]="?<br>-<br>1428"
p[42][45]="<br><br>acidic"
p[43][43]="?<br>392"
p[43][44]="?<br>583"
p[43][45]="<br>acidic"
p[44][43]="?<br>299"
p[44][44]="?<br>313"
p[44][45]="basic<br>weakly basic"
p[45][43]="1373 dec"
p[45][44]="-"
p[45][45]="weakly basic"
p[46][43]="1023 dec<br>473 dec"
p[46][44]="-<br>-"
p[46][45]="basic<br>basic"
p[47][43]="503 dec<br>>373 dec"
p[47][44]="-<br>-"
p[47][45]="basic<br>basic<br>basic"
p[48][43]="1773 ~"
p[48][44]="?"
p[48][45]="basic"
p[49][43]="?<br>2186"
p[49][44]="?<br>?"
p[49][45]="<br>amphoteric"
p[50][43]="1353 dec<br>1903"
p[50][44]="-<br>2123 sub"
p[50][45]="amphoteric<br>amphoteric"
p[51][43]="929<br>?<br>dec"
p[51][44]="1823 sub<br>?<br>-"
p[51][45]="amphoteric<br>amphoteric<br>amphoteric"
p[52][43]="?<br>1006<br>703"
p[52][44]="1518<br>?<br>?"
p[52][45]="<br>weakly amphoteric<br>acidic"
p[53][43]="358 dec<br>573 ? Dec"
p[53][44]="-<br>-"
p[53][45]="acidic<br>acidic"
p[54][43]="dec"
p[54][44]="-"
p[54][45]="weakly acidic"
p[55][43]="763<br>873"
p[55][44]="673 dec<br>?"
p[55][45]="basic<br>basic"
p[56][43]="2191<br>723"
p[56][44]="2273 ~<br>1073 dec"
p[56][45]="basic<br>basic"
p[57][43]="2578"
p[57][44]="4473"
p[57][45]="basic"
p[58][43]="2483<br>2873"
p[58][44]="4003<br>?"
p[58][45]="basic<br>basic"
p[59][43]="2456<br>?"
p[59][44]="4033<br>?"
p[59][45]="basic<br>basic"
p[60][43]="2593"
p[60][44]="?"
p[60][45]="basic"
p[61][43]=""
p[61][44]=""
p[61][45]=""
p[62][43]="2608"
p[62][44]="?"
p[62][45]="basic"
p[63][43]="2623"
p[63][44]="?"
p[63][45]="basic"
p[64][43]="2693"
p[64][44]="? "
p[64][45]="basic"
p[65][43]="2683"
p[65][44]="? "
p[65][45]="basic"
p[66][43]="2681"
p[66][44]="? "
p[66][45]="basic"
p[67][43]="2688"
p[67][44]="?"
p[67][45]="basic"
p[68][43]="2691"
p[68][44]="?"
p[68][45]="basic"
p[69][43]="2698"
p[69][44]="? "
p[69][45]="basic"
p[70][43]="2708"
p[70][44]="? "
p[70][45]="basic"
p[71][43]="2763"
p[71][44]="? "
p[71][45]="basic"
p[72][43]="3047"
p[72][44]="? "
p[72][45]="amphoteric"
p[73][43]="?<br>2145"
p[73][44]="?<br>?"
p[73][45]="<br>acidic"
p[74][43]="1773 ~<br>2019 dec"
p[74][44]="?<br>-"
p[74][45]="<br>acidic"
p[75][43]="773 dec<br>1173 dec<br>673 dec<br>570"
p[75][44]="633<br>-<br>-<br>?"
p[75][45]="<br><br><br>acidic"
p[76][43]="?<br>314"
p[76][44]="?<br>408"
p[76][45]="acidic<br>amphoteric"
p[77][43]="1273 dec<br>1373 dec"
p[77][44]="-<br>-"
p[77][45]="basic<br>acidic"
p[78][43]="598 dec<br>723<br>?"
p[78][44]="-<br>?<br>?"
p[78][45]="basic<br>acidic"
p[79][43]="433 dec"
p[79][44]="-"
p[79][45]="amphoteric/weakly acidic"
p[80][43]="373 dec<br>773 dec"
p[80][44]="?<br>?"
p[80][45]="basic<br>basic"
p[81][43]="852<br>1107"
p[81][44]="~1353<br>?"
p[81][45]="basic<br>basic"
p[82][43]="1159<br>803 dec<br>773 dec<br>563 dec"
p[82][44]="1745<br>?<br>?<br>?<br>"
p[82][45]="amphoteric/basic<br>amphoteric/basic<br>amphoteric/basic<br>amphoteric/basic"
p[83][43]="1098<br>?"
p[83][44]="2163<br>?"
p[83][45]="basic<br>basic"
p[84][43]="773 dec"
p[84][44]="? "
p[84][45]="amphoteric"
p[85][43]=""
p[85][44]=""
p[85][45]=""
p[86][43]=""
p[86][44]=""
p[86][45]=""
p[87][43]=""
p[87][44]=""
p[87][45]=""
p[88][43]="?"
p[88][44]="?"
p[88][45]="basic"
p[89][43]="2250"
p[89][44]="?"
p[89][45]="basic"
p[90][43]="3663"
p[90][44]="4673"
p[90][45]=""
p[91][43]=""
p[91][44]=""
p[91][45]=""
p[92][43]="3151<br>dec<br>?<br>?<br>1573 dec"
p[92][44]="?<br>?<br>?<br>?"
p[92][45]="<br>amphoteric"
p[93][43]="?<br>2820"
p[93][44]="?<br>?"
p[93][45]=""
p[94][43]="?<br>?<br>2663"
p[94][44]="?<br>?<br>?"
p[94][45]=""
p[95][43]="?<br>?<br>2478"
p[95][44]="?<br>?<br>?"
p[95][45]=""
p[96][43]="2538"
p[96][44]=""
p[96][45]=""
p[97][43]="?<br>2193<br>?"
p[97][44]="?<br>?<br>?"
p[97][45]=""
p[98][43]=""
p[98][44]=""
p[98][45]=""
p[99][43]=""
p[99][44]=""
p[99][45]=""
p[100][43]=""
p[100][44]=""
p[100][45]=""
p[101][43]=""
p[101][44]=""
p[101][45]=""
p[102][43]=""
p[102][44]=""
p[102][45]=""
p[103][43]=""
p[103][44]=""
p[103][45]=""
p[104][43]=""
p[104][44]=""
p[104][45]=""
p[105][43]=""
p[105][44]=""
p[105][45]=""
p[106][43]=""
p[106][44]=""
p[106][45]=""
p[107][43]=""
p[107][44]=""
p[107][45]=""
p[108][43]=""
p[108][44]=""
p[108][45]=""
p[109][43]=""
p[109][44]=""
p[109][45]=""

p[1][50]="Reacts explosively under certain conditions to form HCl." 
p[1][51]="HCl" 
p[1][52]="158" 
p[1][53]="188" 
p[1][49]="Very soluble in water."
p[2][50]="No reaction" 
p[2][51]="None" 
p[2][52]="" 
p[2][53]="" 
p[2][49]=""
p[3][50]="Reacts readily (but less readily than Na)" 
p[3][51]="LiCl" 
p[3][52]="878" 
p[3][53]="1613" 
p[3][49]="Very soluble in water"
p[4][50]="Reacts at temperatures above 600<sup>o</sup>C to give BeCl<sub>2</sub> " 
p[4][51]="BeCl<sub>2</sub>" 
p[4][52]="678" 
p[4][53]="793" 
p[4][49]="Very soluble in water.  Readily hydrolysed to form insoluble Be(OH)<sub>2</sub>"
p[5][50]="Powdered boron reacts with chlorine at 400<sup>o</sup>C to form BCl<sub>3</sub>." 
p[5][51]="B<sub>2</sub>Cl<sub>4<br></sub>BCl<sub>3</sub>" 
p[5][52]="180.6<br>166"
p[5][53]="338<br>286"
p[5][49]="B<sub>2</sub>Cl<sub>4</sub> and BCl<sub>3</sub> react readily to produce B<sub>2</sub>(OH)<sub>4</sub> and B(OH)<sub>3</sub> respectively."
p[6][50]="No reaction" 
p[6][51]="CCl<sub>4</sub>" 
p[6][52]="250.1" 
p[6][53]="349.6" 
p[6][49]="No reaction, insoluble"
p[7][50]="No reaction" 
p[7][51]="NCl<sub>3</sub>" 
p[7][52]="233" 
p[7][53]="344" 
p[7][49]="Dangerously explosive compound.  Easily hydrolysed by water to produce NH<sub>3</sub>(aq) and HOCl. "
p[8][50]="No reaction under normal conditions" 
p[8][51]="ClOClO<sub>3</sub><br>ClO<sub>2</sub><br>Cl<sub>2</sub>O<sub>6</sub><br>Cl<sub>2</sub>O<sub>7</sub><br>Cl<sub>2</sub>O" 
p[8][52]="156<br>214<br>277<br>182<br>253" 
p[8][53]="318<br>~ 283 exp<br>~473<br>355<br>~ 277 exp" 
p[8][49]="Dissolve in water "
p[9][50]="Combines to give ClF<sub>3</sub> at temperatures of 200<sup>o</sup>C to 300<sup>o</sup>C." 
p[9][51]="ClF<br>ClF<sub>3</sub><br>ClF<sub>5</sub>" 
p[9][52]="116<br>197<br>170" 
p[9][53]="173<br>285<br>260" 
p[9][49]="React vigorously, hydrolysing to produce oxoacids. "
p[10][50]="No reaction" 
p[10][51]="None" 
p[10][52]="" 
p[10][53]="" 
p[10][49]=""
p[11][50]="Moderate reaction, does not ignite" 
p[11][51]="NaCl" 
p[11][52]="1074" 
p[11][53]="1686" 
p[11][49]="Dissolves"
p[12][50]="Ignites spontaneously in moist chlorine." 
p[12][51]="MgCl<sub>2</sub>" 
p[12][52]="987<br>(In a sealed tube <br>at high pressure)" 
p[12][53]="1685" 
p[12][49]="Soluble in water. Hydrolyses when heated in a stream of superheated steam "
p[13][50]="Reacts in a stream of dry, O<sub>2</sub> free chlorine to form volatile AlCl<sub>3</sub>"
p[13][51]="[AlCl<sub>3</sub>]<sub>2</sub>" 
p[13][52]="463" 
p[13][53]="451 sub" 
p[13][49]="Reacts with water to form Al(OH)<sub>3</sub> and HCl"
p[14][50]="Ignites and burns when heated to 450<sup>o</sup>C  " 
p[14][51]="SiCl<sub>4</sub>" 
p[14][52]="203" 
p[14][53]="331" 
p[14][49]="Floats on surface of water, then dissolves with decomposition, forming hydrated silica and HCl"
p[15][50]="Red phosphorus burns in chlorine" 
p[15][51]="P<sub>2</sub>Cl<sub>4</sub><br>PCl<sub>3</sub><br>PCl<sub>5</sub>" 
p[15][52]="245<br>161<br>435 sub" 
p[15][53]="453 dec<br>349<br>440 dec" 
p[15][49]="PCl<sub>3</sub>  reacts to form phosphonic acid and HCl. P<sub>2</sub>Cl<sub>5</sub> reacts violently to produce phosphoric(v) acid.  With a controlled amount of water P<sub>2</sub>Cl<sub>5</sub> produces phosphorus trichloride oxide POCl<sub>3</sub> "
p[16][50]="Slow reaction at room temperature, reacts vigorously on warming" 
p[16][51]="ClSSCl<br>SCl<sub>2</sub><br>SCl<sub>4</sub><br>S<sub>3</sub>Cl<sub>2</sub>" 
p[16][52]="193<br>195<br>243<br>227" 
p[16][53]="411<br>332 dec<br>258 dec<br>324 low pressure" 
p[16][49]="Readily hydrolysed by water to give a range of products    H<sub>2</sub>S,  SO<sub>2</sub>,  H<sub>2</sub>SO<sub>3</sub>,  H<sub>2</sub>SO<sub>4</sub>  "
p[17][50]="Forms diatomic molecule" 
p[17][51]="Cl<sub>2</sub>" 
p[17][52]="172" 
p[17][53]="238" 
p[17][49]=""
p[18][50]="No reaction" 
p[18][51]="None" 
p[18][52]="" 
p[18][53]="" 
p[18][49]=""
p[19][50]="Ignites spontaneously in  chlorine." 
p[19][51]="KCl" 
p[19][52]="1043" 
p[19][53]="1773 sub" 
p[19][49]="Dissolves"
p[20][50]="Burns when heated, forming fused CaCl<sub>2</sub>"
p[20][51]="CaCl<sub>2</sub>" 
p[20][52]="1055" 
p[20][53]="1873" 
p[20][49]="Very soluble in water.  Reacts with super-heated stream to form calcium hydroxide and HCl."
p[21][50]="Reacts at room temperature" 
p[21][51]="ScCl<sub>3</sub>" 
p[21][52]="1212" 
p[21][53]="1073 sub" 
p[21][49]="Very soluble"
p[22][50]="Reacts to form TiCl<sub>4</sub> on heating" 
p[22][51]="TiCl<sub>2</sub><br>TiCl<sub>3</sub><br>TiCl<sub>4</sub><br>Ti<sub>2</sub>Cl<sub>3</sub>" 
p[22][52]="1308<br>713<br>248<br>?" 
p[22][53]="1773<br>?<br>410<br>?" 
p[22][49]="TiCl<sub>2</sub> is oxidised by water; TiCl<sub>3</sub> is unstable in water; TiCl<sub>4</sub> is hydrolysed by water to give TiO<sub>2</sub> and HCl"
p[23][50]="Combines on heating to form VCl<sub>4</sub>" 
p[23][51]="VCl<sub>2</sub><br>VCl<sub>3</sub><br>VCl<sub>4</sub>" 
p[23][52]="1623<br>dec<br>245" 
p[23][53]="?<br>-<br>422" 
p[23][49]="Hydrolysed by water"
p[24][50]="Combines on heating" 
p[24][51]="CrCl<sub>2</sub><br>CrCl<sub>3</sub><br>CrCl<sub>4</sub>" 
p[24][52]="1087<br>~1423<br>vapour" 
p[24][53]="1573<br>1573 sub<br>>873 dec" 
p[24][49]="CrCl<sub>2</sub> dissolves; CrCl<sub>4</sub> slightly soluble"
p[25][50]="Burns at high temperatures to form MnCl<sub>2<sub>" 
p[25][51]="MnCl<sub>2</sub><br>MnCl<sub>3</sub>" 
p[25][52]="923<br>Unstable above 233" 
p[25][53]="1463<br>-" 
p[25][49]="Soluble in water."
p[26][50]="Combines vigorously on mild heating to form FeCl<sub>3</sub>" 
p[26][51]="FeCl<sub>2</sub><br>FeCl<sub>3</sub>" 
p[26][52]="945<br>579" 
p[26][53]="945 sub<br>588 dec" 
p[26][49]="Dissolve"
p[27][50]="Combines on heating to form CoCl<sub>2 </sub>" 
p[27][51]="CoCl<sub>2</sub><br>CoCl<sub>3</sub>" 
p[27][52]="997<br>?" 
p[27][53]="1322<br>?" 
p[27][49]="CoCl<sub>2</sub> dissolves"
p[28][50]="Combines on heating to form NiCl<sub>2</sub>" 
p[28][51]="NiCl<sub>2</sub>" 
p[28][52]="1274" 
p[28][53]="1246 sub " 
p[28][49]="Dissolves"
p[29][50]="Combines on heating to form CuCl<sub>2</sub>" 
p[29][51]="CuCl<br>CuCl<sub>2</sub>" 
p[29][52]="703<br>893" 
p[29][53]="1763<br>1266 dec" 
p[29][49]="CuCl insoluble, CuCl<sub>2</sub> dissolves"
p[30][50]="Combines on heating to form ZnCl<sub>2</sub>" 
p[30][51]="ZnCl<sub>2</sub>" 
p[30][52]="556" 
p[30][53]="1005" 
p[30][49]="Dissolves readily"
p[31][50]="Combines rapidly at room temperature. " 
p[31][51]="GaCl<sub>2</sub><br>GaCl<sub>3</sub>" 
p[31][52]="437<br>351" 
p[31][53]="808<br>474" 
p[31][49]="Hydrolyses rapidly"
p[32][50]="Combines, on heating, to form GeCl<sub>4</sub>" 
p[32][51]="GeCl<sub>2</sub><br>GeCl<sub>4</sub>" 
p[32][52]="dec<br>224" 
p[32][53]="-<br>357" 
p[32][49]="Hydrolyses readily"
p[33][50]="Combines readily, igniting if powdered, to form AsCl<sub>3</sub>"
p[33][51]="AsCl<sub>3</sub><br>AsCl<sub>5</sub>" 
p[33][52]="265<br>~223 dec " 
p[33][53]="403<br>-" 
p[33][49]="Hydrolyse"
p[34][50]="Combines when heated " 
p[34][51]="Se<sub>2</sub>Cl<sub>2</sub><br>SeCl<sub>2</sub><br>SeCl<sub>4</sub>" 
p[34][52]="188<br>Unstable<br>578" 
p[34][53]="403 dec<br>Unstable<br>sub" 
p[34][49]=""
p[35][50]="Combines directly under suitable conditions to form BrCl" 
p[35][51]="BrCl  " 
p[35][52]="207~" 
p[35][53]="278~ dec " 
p[35][49]="Readily hydrolysed"
p[36][50]="No reaction" 
p[36][51]="None" 
p[36][52]="" 
p[36][53]="" 
p[36][49]=""
p[37][50]="Ignites (reacts more vigorously than potassium)" 
p[37][51]="RbCl" 
p[37][52]="991" 
p[37][53]="1663" 
p[37][49]="Dissolves"
p[38][50]="Burns, more easily than calcium, to form chloride"
p[38][51]="SrCl<sub>2</sub>" 
p[38][52]="1148" 
p[38][53]="1523" 
p[38][49]="Very soluble"
p[39][50]="Combines at room temperature to form YCl<sub>3</sub>" 
p[39][51]="YCl<sub>3</sub>" 
p[39][52]="994" 
p[39][53]="?" 
p[39][49]="Dissolves"
p[40][50]="Reacts at high temperatures" 
p[40][51]="ZrCl<sub>2</sub><br>ZrCl<sub>4</sub>" 
p[40][52]="Disproportionates<br>604 sub" 
p[40][53]="" 
p[40][49]="ZrCl<sub>4</sub> is hydrolysed vigorously by water"
p[41][50]="Combines on heating to form NbCl<sub>5</sub>" 
p[41][51]="NbCl<sub>3</sub><br>NbCl<sub>4</sub><br>NbCl<sub>5</sub>" 
p[41][52]="?<br>>1073 dispropn<br>478" 
p[41][53]="no data<br>>1073 dispropn<br>527" 
p[41][49]="Hydrolysed by water"
p[42][50]="Combines on heating above about 325<sup>o</sup>C" 
p[42][51]="MoCl<sub>2</sub><br>MoCl<sub>3</sub><br>MoCl<sub>4</sub><br>MoCl<sub>5</sub><br>MoCl<sub>6</sub>" 
p[42][52]="803 dec<br>1300<br>>443 dec<br>467<br>?" 
p[42][53]="-<br>?<br>-<br>541<br>?"
p[42][49]="Hydrolysed by water (MoCl<sub>6</sub>  extremely sensitive to traces of water - no data)"
p[43][50]="Combines on heating to form TcCl<sub>4</sub>" 
p[43][51]="TcCl<sub>4</sub>" 
p[43][52]="573 sub" 
p[43][53]="573 sub" 
p[43][49]="Hydrolysed readily"
p[44][50]="Reacts at red heat to form RuCl<sub>3</sub>" 
p[44][51]="RuCl<sub>2</sub><br>RuCl<sub>3</sub>" 
p[44][52]="?<br>773 dec" 
p[44][53]="?<br>-" 
p[44][49]="Hydrolyse readily"
p[45][50]="Reacts at dull red heat to form RhCl<sub>3</sub>" 
p[45][51]="RhCl<sub>3</sub>" 
p[45][52]="?" 
p[45][53]="990" 
p[45][49]="RhCl<sub>3</sub> exists in soluble and insoluble form"
p[46][50]="Combines on heating to form PdCl<sub>2</sub>" 
p[46][51]="PdCl<sub>2</sub>" 
p[46][52]="952" 
p[46][53]="?" 
p[46][49]="Insoluble"
p[47][50]="Reacts slowly on heating to form AgCl" 
p[47][51]="AgCl" 
p[47][52]="728" 
p[47][53]="1823" 
p[47][49]="Very slightly soluble"
p[48][50]="Combines on heating" 
p[48][51]="CdCl<sub>2</sub>" 
p[48][52]="841" 
p[48][53]="1233" 
p[48][49]="Dissolves"
p[49][50]="Combines on heating  " 
p[49][51]="InCl<br>InCl<sub>2</sub><br>InCl<sub>3</sub>" 
p[49][52]="484<br>508<br>856" 
p[49][53]="881<br>?<br>?" 
p[49][49]="Dissolve in water with partial hydrolysis"
p[50][50]="Combines on heating to form SnCl<sub>4</sub>" 
p[50][51]="SnCl<sub>2</sub><br>SnCl<sub>4</sub>" 
p[50][52]="519<br>240" 
p[50][53]="925<br>387" 
p[50][49]="Hydrolyse"
p[51][50]="Reacts readily;  powdered antimony ignites in chlorine" 
p[51][51]="SbCl<sub>3</sub><br>SbCl<sub>5</sub>" 
p[51][52]="347<br>276" 
p[51][53]="556<br>352" 
p[51][49]="Readily hydrolyses but hydrolysis is incomplete"
p[52][50]="Reacts when heated" 
p[52][51]="TeCl<sub>2</sub><br>(TeCl<sub>4</sub>)<sub>4</sub><br>Te<sub>3</sub>Cl<sub>2</sub><br>Te<sub>2</sub>Cl" 
p[52][52]="481<br>497<br>511<br>?" 
p[52][53]="601<br>660<br>?<br>?" 
p[52][49]="Hydrolysed"
p[53][50]="Reacts stoichiometrically with liquid Cl<sub>2</sub> to produce iodine chlorides" 
p[53][51]="ICl<br>[ICl<sub>3</sub>]<sub>2</sub>" 
p[53][52]="300<br>374 @ 16 atm" 
p[53][53]="371<br>350 dec" 
p[53][49]="Hydrolyses readily"
p[54][50]="No reaction" 
p[54][51]="None" 
p[54][52]="" 
p[54][53]="" 
p[54][49]=""
p[55][50]="Ignites (reaction more vigorous than with rubidium) " 
p[55][51]="CsCl" 
p[55][52]="918" 
p[55][53]="1563" 
p[55][49]="Very soluble"
p[56][50]="Burns to form chloride (reacts more vigorously than strontium)" 
p[56][51]="BaCl<sub>2</sub>" 
p[56][52]="1236" 
p[56][53]="1833" 
p[56][49]="Dissolves"
p[57][50]="Reacts on heating" 
p[57][51]="LaCl<sub>3</sub>" 
p[57][52]="1132" 
p[57][53]="?" 
p[57][49]="Insoluble, forms oxyhalide when heated in presence of water vapour. "
p[58][50]="Reacts on heating" 
p[58][51]="CeCl<sub>3</sub>" 
p[58][52]="1121" 
p[58][53]="2198" 
p[58][49]="Insoluble; forms oxyhalide when heated in presence of water."
p[59][50]="Reacts on heating" 
p[59][51]="PrCl<sub>3</sub>" 
p[59][52]="1059" 
p[59][53]="?" 
p[59][49]="Insoluble; forms oxyhalide when heated in presence of water."
p[60][50]="Reacts on heating" 
p[60][51]="NdCl<sub>2</sub><br>NdCl<sub>3</sub>" 
p[60][52]="?<br>1031" 
p[60][53]="1114 dec<br>1873" 
p[60][49]="NdCl<sub>2</sub> air and moisture sensitive, unstable in aqueous solution.  NdCl<sub>3</sub> insoluble, forms oxyhalide when heated in presence of water vapour."
p[61][50]="Reacts on heating " 
p[61][51]="PmCl<sub>3</sub>" 
p[61][52]="928" 
p[61][53]="?" 
p[61][49]="PmCl<sub>3</sub> is soluble."
p[62][50]="Reacts on heating" 
p[62][51]="SmCl<sub>2</sub><br>SmCl<sub>3</sub>" 
p[62][52]="1128<br>955" 
p[62][53]="?<br>?" 
p[62][49]="SmCl<sub>2</sub> unstable in aqueous solution. SmCl<sub>3</sub> insoluble, forms oxyhalide when heated in presence of water vapour.            "
p[63][50]="Reacts on heating" 
p[63][51]="EuCl<sub>2</sub><br>EuCl<sub>3</sub>" 
p[63][52]="1004<br>896" 
p[63][53]="?<br>?" 
p[63][49]="EuCl<sub>2</sub> dissolves and is stable in water. EuCl<sub>3</sub> insoluble, forms oxyhalide when heated in presence of water vapour.            "
p[64][50]="Reacts on heating" 
p[64][51]="GdCl<sub>3</sub>" 
p[64][52]="882"
p[64][53]="?" 
p[64][49]="Insoluble, forms oxyhalide when heated in presence of water vapour."
p[65][50]="Reacts on heating" 
p[65][51]="TbCl<sub>3</sub>" 
p[65][52]="861"
p[65][53]="?" 
p[65][49]="Insoluble, forms oxyhalide when heated in presence of water vapour."
p[66][50]="Reacts on heating" 
p[66][51]="DyCl<sub>2</sub><br>DyCl<sub>3</sub>" 
p[66][52]="994 dec<br>953" 
p[66][53]="-<br>?" 
p[66][49]="DyCl<sub>2</sub> unstable in aqueous solution. DyCl<sub>3</sub> forms oxyhalide when heated in presence of water vapour."                                  
p[67][50]="Reacts on heating" 
p[67][51]="HoCl<sub>3</sub>" 
p[67][52]="991" 
p[67][53]="1773" 
p[67][49]="Insoluble, forms oxyhalide when heated in presence of water vapour."
p[68][50]="Reacts on heating" 
p[68][51]="ErCl<sub>3</sub>" 
p[68][52]="1049" 
p[68][53]="?" 
p[68][49]=""
p[69][50]="Reacts on heating" 
p[69][51]="TmCl<sub>2</sub><br>TmCl<sub>3</sub>" 
p[69][52]="970<br>1097" 
p[69][53]="?<br>?" 
p[69][49]="TmCl<sub>2</sub> unstable in aqueous solution. TmCl<sub>3</sub> forms oxyhalide when heated in presence of water vapour.  "                                    
p[70][50]="Reacts on heating" 
p[70][51]="YbCl<sub>2</sub><br>YbCl<sub>3</sub>" 
p[70][52]="994<br>1148" 
p[70][53]="?<br>?" 
p[70][49]="YbCl<sub>2</sub> reacts with water. YbCl<sub>3</sub> forms oxyhalide when heated in presence of water vapour."                               
p[71][50]="Reacts on heating" 
p[71][51]="LuCl<sub>3</sub>" 
p[71][52]="1198" 
p[71][53]="?" 
p[71][49]="Insoluble, forms oxyhalide when heated in presence of water vapour."
p[72][50]="Reacts at high temperatures" 
p[72][51]="HfCl<sub>4</sub>" 
p[72][52]="590 + sub" 
p[72][53]="" 
p[72][49]="Hydrolysed vigorously by water"
p[73][50]="Combines on heating to form TaCl<sub>5</sub>" 
p[73][51]="TaCl<sub>3</sub><br>TaCl<sub>4</sub><br>TaCl<sub>5</sub>" 
p[73][52]="623 dispropn<br>?<br>489" 
p[73][53]="623 disproportn<br>?<br>512.5" 
p[73][49]="Readily hydrolysed by water " 
p[74][50]="Combines when heated  to give WCl<sub>3</sub>" 
p[74][51]="WCl<sub>2</sub><br>WCl<sub>3</sub><br>WCl<sub>4</sub><br>WCl<sub>5</sub><br>WCl<sub>6</sub>" 
p[74][52]="773 dec<br>823 dec<br>dec<br>515<br>548" 
p[74][53]="-<br>-<br>-<br>559<br>620" 
p[74][49]="Hydrolysed"
p[75][50]="Combines with Cl<sub>2</sub> when heated at 400<sup>o</sup>C to form Re<sub>2</sub>Cl<sub>10</sub>" 
p[75][51]="[ReCl<sub>3</sub>]<sub>3</sub><br>ReCl<sub>4</sub><br>ReCl<sub>5</sub><br>ReCl<sub>6</sub>" 
p[75][52]="773 dec<br>573 dec<br>493<br>302 " 
p[75][53]="-<br>-<br>?<br>?"
p[75][49]="Hydrolysed readily"
p[76][50]="Reacts at temperatures above 650<sup>o</sup>C to form chlorides" 
p[76][51]="OsCl<sub>3</sub><br>OsCl<sub>4</sub><br>OsCl<sub>5</sub>" 
p[76][52]="723 dec<br>723 sub<br>?" 
p[76][53]="-<br>-<br>?"
p[76][49]="OsCl<sub>3</sub> insoluble. OsCl<sub>4</sub> dissolves in water, decomposing to form OsO<sub>2</sub>"
p[77][50]="Reacts at red heat to form chlorides" 
p[77][51]="IrCl<sub>2</sub><br>IrCl<sub>3</sub><br>IrCl<sub>4</sub>" 
p[77][52]="?<br>1036 dec<br>?" 
p[77][53]="?<br>-<br>?" 
p[77][49]="IrCl<sub>3</sub> very inert, insoluble in water"
p[78][50]="Reacts at red heat to form PtCl<sub>3</sub>" 
p[78][51]="PtCl<sub>2</sub><br>PtCl<sub>3</sub><br>PtCl<sub>4</sub>" 
p[78][52]="854 dec<br>708 dec<br>600 dec" 
p[78][53]="-<br>-<br>-" 
p[78][49]="PtCl<sub>2</sub> insoluble PtCl<sub>4</sub> readily soluble "
p[79][50]="Reacts at moderate temperatures to form AuCl<sub>3</sub>" 
p[79][51]="AuCl<br>AuCl<sub>3</sub>" 
p[79][52]="562 dec<br>527 dec" 
p[79][53]="-<br>538 sub in Cl" 
p[79][49]="Hydrolyses (giving Au<sub>2</sub>O<sub>3</sub>.xH2O)"
p[80][50]="Combines readily on heating to form HgCl<sub>2</sub>" 
p[80][51]="Hg<sub>2</sub>Cl<sub>2</sub><br>HgCl<sub>2</sub>" 
p[80][52]="673 sub<br>549" 
p[80][53]="-<br>575" 
p[80][49]="Hg<sub>2</sub>Cl<sub>2</sub> very insoluble HgCl<sub>2</sub> slightly soluble (in molecular form)"
p[81][50]="Combines rapidly at room temperature" 
p[81][51]="TlCl<br>TlCl<sub>2</sub><br>TlCl<sub>3</sub>" 
p[81][52]="703<br>?<br>428" 
p[81][53]="993<br>?<br>?" 
p[81][49]="Dissolve in water with partial hydrolysis"
p[82][50]="Reacts rapidly on heating to form PbCl<sub>2</sub>" 
p[82][51]="PbCl<sub>2</sub><br>PbCl<sub>4</sub>" 
p[82][52]="774<br>258" 
p[82][53]="1223<br>378 exp" 
p[82][49]="PbCl<sub>2</sub> soluble in hot water PbCl<sub>4</sub> hydrolysed"
p[83][50]="Reacts readily on heating to form BiCl<sub>3</sub>" 
p[83][51]="BiCl<sub>3</sub>" 
p[83][52]="505 ~" 
p[83][53]="720" 
p[83][49]="Readily hydrolyses, forming insoluble BiOCl but hydrolysis is only partial "
p[84][50]="Reacts on heating" 
p[84][51]="PoCl<sub>2</sub><br>PoCl<sub>4</sub>" 
p[84][52]="463 sub<br>~573" 
p[84][53]="-<br>663" 
p[84][49]="PoCl<sub>2</sub> rapidly oxidised to PoCl<sub>4</sub> by H<sub>2</sub>O<sub>2</sub> formed by radiolysis of H<sub>2</sub>O.  PoCl<sub>4</sub> readily hydrolysed."
p[85][50]="No information" 
p[85][51]="None" 
p[85][52]="" 
p[85][53]="" 
p[85][49]=""
p[86][50]="No reaction" 
p[86][51]="None" 
p[86][52]="" 
p[86][53]="" 
p[86][49]=""
p[87][50]="No information" 
p[87][51]="None" 
p[87][52]="" 
p[87][53]="" 
p[87][49]=""
p[88][50]="Reacts" 
p[88][51]="RaCl<sub>2</sub>" 
p[88][52]="1273" 
p[88][53]="" 
p[88][49]="Soluble but less so than BaCl2"
p[89][50]="No information" 
p[89][51]="AcCl<sub>3</sub>" 
p[89][52]="1233 sub" 
p[89][53]="" 
p[89][49]="Very similar to LaCl<sub>3</sub>.  Hydrolysed by water vapour at about 1000<sup>o</sup>C to give AcOCl"
p[90][50]="Reacts at high temperatures to form chloride" 
p[90][51]="ThCl<sub>4</sub>" 
p[90][52]="1043" 
p[90][53]="1194" 
p[90][49]="Soluble"
p[91][50]="Reacts" 
p[91][51]="PaCl<sub>4</sub><br>PaCl<sub>5</sub>" 
p[91][52]="?<br>579" 
p[91][53]="673 in vacuo<br>?" 
p[91][49]="No information"
p[92][50]="Combines directly to when heated to 150<sup>o</sup>C to form UCl<sub>4</sub>" 
p[92][51]="UCl<sub>3</sub><br>UCl<sub>4</sub><br>UCl<sub>5</sub><br>UCl<sub>6</sub>" 
p[92][52]="1110<br>863<br>560<br>450" 
p[92][53]="?<br>1064<br>?<br>?"
p[92][49]=""
p[93][50]="Reacts" 
p[93][51]="NpCl<sub>3</sub><br>NpCl<sub>4</sub>" 
p[93][52]="1073<br>811" 
p[93][53]="?<br>?" 
p[93][49]="Dissolve"
p[94][50]="Reacts" 
p[94][51]="PuCl<sub>3</sub>" 
p[94][52]="1033"
p[94][53]="?"  
p[94][49]="No information"
p[95][50]="Reacts" 
p[95][51]="AmCl<sub>2</sub><br>AmCl<sub>3</sub>" 
p[95][52]="?<br>988" 
p[95][53]="?<br>1123" 
p[95][49]="No information"
p[96][50]="Reacts" 
p[96][51]="CmCl<sub>3</sub>" 
p[96][52]="968" 
p[96][53]="?" 
p[96][49]="No information"
p[97][50]="Reacts" 
p[97][51]="BkCl<sub>3</sub>" 
p[97][52]="876" 
p[97][53]="?" 
p[97][49]="No information"
p[98][50]="Reacts" 
p[98][51]="CfCl<sub>3</sub>" 
p[98][52]="?" 
p[98][53]="1073" 
p[98][49]="Dissolves"
p[99][50]="Reacts" 
p[99][51]="EsCl<sub>3</sub>" 
p[99][52]="?" 
p[99][53]="?" 
p[99][49]="No information"
p[100][50]="No information" 
p[100][51]="Not known" 
p[100][52]="" 
p[100][53]="" 
p[100][49]="No information"
p[101][50]="No information" 
p[101][51]="Not known" 
p[101][52]="" 
p[101][53]="" 
p[101][49]="No information"
p[102][50]="No information" 
p[102][51]="Not known" 
p[102][52]="" 
p[102][53]="" 
p[102][49]="No information"
p[103][50]="No information" 
p[103][51]="Not known" 
p[103][52]="" 
p[103][53]="" 
p[103][49]="No information"
p[104][50]="No information" 
p[104][51]="Not known" 
p[104][52]="" 
p[104][53]="" 
p[104][49]="No information"
p[105][50]="No information" 
p[105][51]="Not known" 
p[105][52]="" 
p[105][53]="" 
p[105][49]="No information"
p[106][50]="No information" 
p[106][51]="Not known" 
p[106][52]="" 
p[106][53]="" 
p[106][49]="No information"
p[107][50]="No information" 
p[107][51]="Not known" 
p[107][52]="" 
p[107][53]="" 
p[107][49]="No information"
p[108][50]="No information" 
p[108][51]="Not known" 
p[108][52]="" 
p[108][53]="" 
p[108][49]="No information"
p[109][50]="No information" 
p[109][51]="Not known" 
p[109][52]="" 
p[109][53]="" 
p[109][49]="No information"