Ag Al As Au B Ba Be Bi C Ca Cd Ce Co Cr Cs Cu Dy Er Eu Fe Ga Gd Ge Hf Hg Ho In Ir K La Li Lu Mg Mn Mo Na Nb Nd Ni Os Pb Pd Pr Pt Rb Re Rh Ru Sb Sc Se Si Sm Sn Sr Ta Tb Te Th Ti Tl Tm U V W Y Yb Zn Zr
Atomic Properties
Atomic Number   47 13 33 79 5 56 4 83 6 20 48 58 27 24 55 29 66 68 63 26 31 64 32 72 80 67 49 77 19 57 3 71 12 25 42 11 41 60 28 76 82 46 59 78 37 75 45 44 51 21 34 14 62 50 38 73 65 52 90 22 81 69 92 23 74 39 70 30 40
Atomic Radius - Goldschmidt nm 0.144 0.143 0.125 0.144 0.097 0.224 0.113 0.182 0.077 0.197 0.152 0.182 0.125 0.128 0.27 0.128 0.177 0.175 0.204 0.128 0.135 0.18 0.139 0.159 0.155 0.176 0.157 0.135 0.238 0.187 0.157 0.173 0.16 0.112 0.14 0.192 0.147 0.182 0.125 0.135 0.175 0.137 0.183 0.138 0.251 0.138 0.134 0.134 0.161 0.16 0.116 0.117 0.18 0.158 0.215 0.147 0.177 0.143 0.18 0.147 0.171 0.174 0.138 0.136 0.141 0.181 0.193 0.137 0.16
Atomic Weight amu 107.8682 26.98154 74.9216 196.9665 10.81 137.33 9.01218 208.9804 12.011 40.08 112.41 140.12 58.9332 51.996 133 63.546 162.5 167.26 151.96 55.847 69.72 157.25 72.59 178.49 200.59 164.9304 114.82 192.22 39.0983 138.9055 6.941 174.967 24.305 54.938 95.94 22.99 92.9064 144.24 58.69 190.2 207.2 106.42 140.9077 195.08 85.4678 186.207 102.9055 101.07 121.75 44.9559 78.96 28.0855 150.36 118.69 87.62 180.9479 158.9254 127.6 232.0381 47.88 204.383 168.9342 238.0289 50.9415 183.85 88.9059 173.04 65.38 91.22
Crystal Structure   Face centred cubic Face centred cubic Rhombo-hedral Face centred cubic Tetragonal Body centred cubic Hexagonal close packed Rhombo-hedral Hexagonal/Diamond Face centred cubic Hexagonal close packed Face centred cubic Hexagonal close packed Body centred cubic Body centred cubic Face centred cubic Hexagonal close packed Hexagonal close packed Body centred cubic Body centred cubic Ortho-rhombic Hexagonal close packed Diamond Hexagonal close packed Rhombo-hedral Hexagonal close packed Face centred tetragonal Face centred cubic Body centred cubic Hexagonal close packed / Face centred cubic Body centred cubic Hexagonal close packed Hexagonal close packed Body centred cubic Body centred cubic Body centred cubic Body centred cubic Hexagonal close packed Face centred cubic Hexagonal close packed Face centred cubic Face centred cubic Hexagonal close packed Face centred cubic Body centred cubic Hexagonal close packed Face centred cubic Hexagonal close packed Rhombo-hedral Hexagonal close packed Hexagonal Diamond Rhombo-hedral Tetragonal Face centred cubic Body centred cubic Hexagonal close packed Hexagonal Face centred cubic Hexagonal close packed Hexagonal close packed Hexagonal close packed Ortho-rhombic Body centred cubic Body centred cubic Hexagonal close packed Hexagonal close packed Hexagonal close packed Hexagonal close packed
Electronic Structure   Kr 4d10 5s1 Ne 3s2 3p1 Ar 3d10 4s2 4p3 Xe 4f14 5d10 6s1 He 2s2 2p1 Xe 6s2 He 2s2 Xe 4f14 5d10 6s2 6p3 He 2s2 2p2 Ar 4s2 Kr 4d10 5s2 Xe 4f2 6s2 Ar 3d7 4s2 Ar 3d5 4s1 Xe 6s1 Ar 3d10 4s1 Xe 4f10 6s2 Xe 4f12 6s2 Xe 4f7 6s2 Ar 3d6 4s2 Ar 3d10 4s2 4p1 Xe 4f7 5d1 6s2 Ar 3d10 4s2 4p2 Xe 4f14 5d2 6s2 Xe 4f14 5d10 6s2 Xe 4f11 6s2 Kr 4d10 5s2 5p1 Xe 4f14 5d7 6s2 Ar 4s1 Xe 5d1 6s2 He 2s1 Xe 4f14 5d1 6s2 Ne 3s2 Ar 3d5 4s2 Kr 4d5 5s1 Ne 3s1 Kr 4d4 5s1 Xe 4f4 6s2   Xe 4f14 5d6 6s2 Xe 4f14 5d10 6s2 6p2 Kr 4d10 Xe 4f3 6s2 Xe 4f14 5d9 6s1 Kr 5s1 Xe 4f14 5d5 6s2 Kr 4d8 5s1 Kr 4d7 5s1 Kr 4d10 5s2 5p3 Ar 3d1 4s2 Ar 3d10 4s2 4p4 Ne 3s2 3p2 Xe 4f6 6s2 Kr 4d10 5s2 5p2 Kr 5s2 Xe 4f14 5d3 6s2 Xe 4f9 6s2 Kr 4d10 5s2 5p4 Rn 6d2 7s2 Ar 3d2 4s2 Xe 4f14 5d10 6s2 6p1 Xe 4f13 6s2 Rn 5f3 6d1 7s2 Ar 3d3 4s2 Xe 4f14 5d4 6s2 Kr 4d1 5s2 Xe 4f14 6s2 Ar 3d10 4s2 Kr 4d2 5s2
Photo-electric Work Function eV 4.7 4.2 5.1 4.8 4.5 2.5 3.4 4.4 4.8 2.87 4 2.9 5 4.4 2.14 4.5     2.5 4.4 4.2 3.1 4.8 3.9 4.49   4.12 4.6 2.2 3.5 2.4 3.3 3.66 3.8 4.2 212 4.3 3.2 4.9 4.8 4 5   5.3 2.1 5 4.6 4.71 4.1 3.5 5.9 4.2 2.7 4.3 2.59 4.1 3 4.8 3.5 4.1 3.8   3.6 4.3 4.55 3.1   4.3 3.8
Thermal Neutron Absorption Cross-section Barns 63.8 0.232 4.3 98.8 672 1.2 0.0092 0.034 0.0034 0.44 2450 0.73 37.5 3.1 29 3.8 930 160 4100 2.56 3.1 49000 2.3 103 375 65 194 425 1.8 8.9 63 75 0.064 13.3 2.65 0.54 1.15 49 4.54 15.3 0.18 6 11.5 9 0.5 85 150 3 5 25 12.2 0.16 5820 0.63 1.21 22 30 4.7 7.4 6.1 3.4 115 7.6 5.06 18.5 1.3 37 1.1 0.182
Valences shown   1, 2 3 -3, 0, 3, 5 1,3 3 2 2 3, 5 2, 3, 4 2 2 3, 4 2, 3 2, 3, 6 1 1, 2 3 3 2, 3 2, 3, 4, 6 2, 3 3 2, 4 4 1, 2 3 1, 2, 3 3, 4 1 3 1 3 2 1, 2, 3, 4, 6, 7 2, 3, 4, 5, 6 1 2, 3, 4, 5 3 0, 1, 2, 3 0, 1, 2, 3, 4, 5, 6, 7, 8 2, 4 2, 3, 4 3, 4 1, 2, 3, 4 1, 2, 3, 4 -1, 1, 2, 3, 4, 5, 6, 7 2, 3, 4, 5, 6 0, 1, 2, 3, 4, 5, 6, 7, 8 -3, 0, 3, 5 3 -2, 4, 6 4 2, 3 2, 4 2 2, 3, 4, 5 3, 4 2, 4, 6 2, 3, 4 2, 3, 4 1, 3 2, 3 2, 3, 4, 5, 6 2, 3, 4, 5 2, 3, 4, 5, 6 3 2, 3 2 2, 3, 4
Natural Isotope Distribution Mass No. - %                                                                                                                                          
  1 107 - 51.83 27 - 100 75 - 100 197 - 100 10 - 19.8 130 - 0.1 9 - 100 209 - 100 12 - 98.89 40 - 96.941 106 - 1.2 136 - 0.2 59 - 100 50 - 4.35 132.91 - 100 63 - 69.2 156 - 0.06 162 - 0.1 151 - 47.8 54 - 5.8 69 - 60 152 - 0.2 70 - 20.5 174 - 0.2 196 - 0.2 165 - 100 113 - 4.3 191 - 37.3 39 - 93.26 138 - 0.09 6 - 7.5 175 - 97.4 24 - 78.99 55 - 100 92 - 14.8 23 - 100 93 - 100 142 - 27.2 58 - 68.27 184 - 0.02 204 - 1.4 102 - 1.0 141 - 100 190 - 0.01 85 - 72.17 185 - 37.4 103 - 100 96 - 5.5 121 - 57.3 45 - 100 74 - 0.9 28 - 92.23 144 - 3.1 112 - 1.0 84 - 0.5 180 - 0.012 159 - 100 120 - 0.1 232 - 100 46 - 8.0 203 - 29.5 169 - 100 234 - 0.005 50 - 0.25 180 - 0.1 89 - 100 168 - 0.1 64 - 48.6 90 - 51.4
  2 109 - 48.17       11 - 80.2 132 - 0.1     13 - 1.11 42 - 0.647 108 - 0.9 138 - 0.3   52 - 83.79   65 - 30.8 158 - 0.10 164 - 1.6 153 - 52.2 56 - 91.8 71 - 40 154 - 2.2 72 - 27.4 176 - 5.2 198 - 10.1   115 - 95.7 193 - 62.7 40 - 0.01 139 - 99.91 7 - 92.5 176 - 2.6 25 - 10.00   94 - 9.3     143 - 12.2 60 - 26.10 186 - 1.58 206 - 24.1 104 - 11.0   192 - 0.79 87 - 27.83 187 - 62.6   98 - 1.9 123 - 42.7   76 - 9.0 29 - 4.67 147 - 15.1 114 - 0.7 86 - 9.9 181 - 99.988   122 - 2.5   47 - 7.5 205 - 70.5   235 - 0.720 51 - 99.75 182 - 26.3   170 - 3.1 66 - 27.9 91 - 11.2
  3           134 - 2.4       43 - 0.135 110 - 12.4 140 - 88.4   53 - 9.50     160 - 2.34 166 - 33.4   57 - 2.1   155 - 14.8 73 - 7.8 177 - 18.5 199 - 16.9       41 - 6.73       26 - 11.01   95 - 15.9     144 - 23.8 61 - 1.13 187 - 1.6 207 - 22.1 105 - 22.2   194 - 32.90       99 - 12.7     77 - 7.6 30 - 3.10 148 - 11.3 115 - 0.4 87 - 7.0     123 - 0.9   48 - 73.7     238 - 99.275   183 - 14.3   171 - 14.3 67 - 4.1 92 - 17.1
  4           135 - 6.6       44 - 2.086 111 - 12.8 142 - 11.1   54 - 2.36     161 - 18.90 167 - 22.9   58 - 0.3   156 - 20.5 74 - 36.5 178 - 27.1 200 - 23.1                   96 - 16.7     145 - 8.3 62 - 3.59 188 - 13.3 208 - 52.4 106 - 27.3   195 - 33.80       100 - 12.6     78 - 23.5   149 - 13.9 116 - 14.7 88 - 82.6     124 - 4.6   49 - 5.5         184 - 30.7   172 - 21.9 68 - 18.8 94 - 17.5
  5           136 - 7.9       46 - 0.004 112 - 24.0           162 - 25.50 168 - 27.0       157 - 15.7 76 - 7.8 179 - 13.8 201 - 13.2                   97 - 9.6     146 - 17.2 64 - 0.91 189 - 16.1   108 - 26.7   196 - 25.30       101 - 17.1     80 - 49.8   150 - 7.4 117 - 7.7       125 - 7.0   50 - 5.3         186 - 28.6   173 - 16.2 70 - 0.6 96 - 2.8
  6           137 - 11.2       48 - 0.187 113 - 12.3           163 - 24.90 170 - 15.0       158 - 24.8   180 - 35.2 202 - 29.7                   98 - 24.1     148 - 5.7   190 - 26.4   110 - 11.8   198 - 7.20       102 - 31.6     82 - 9.2   152 - 26.6 118 - 24.3       126 - 18.7                 174 - 31.7    
  7           138 - 71.7         114 - 28.8           164 - 28.20         160 - 21.8     204 - 6.8                   100 - 9.6     150 - 5.6   192 - 41.0               104 - 18.6         154 - 22.6 119 - 8.6       128 - 31.7                 176 - 12.7    
  8                     116 - 7.6                                                                                     120 - 32.4       130 - 34.5                      
  9                                                                                                           122 - 4.6                              
  10                                                                                                           124 - 5.6                              
Ionisation Potential eV                                                                                                                                          
  1 7.58 5.99 9.81 9.22 8.3 5.21 9.32 7.29 11.26 6.11 8.99 5.47 7.86 6.77 3.89 7.73 5.93 6.1 5.67 7.87 5.99 6.14 7.9 7 10.44 6.02 5.79 9.1 4.34 5.58 5.39 5.43 7.65 7.43 7.1 5.14 6.88 5.49 7.63 8.7 7.42 8.3 5.42 9 4.18 7.87 7.46 7.36 8.64 6.54 9.75 8.15 5.63 7.34 5.7 7.88 5.85 9.01 6.95 6.82 6.11 6.18 6.19 6.74 7.98 6.38 6.25 9.39 6.84
  2 21.5 18.8 18.6 20.5 25.2 10 18.2 16.7 24.38 11.87 16.9 10.85 17.06 16.5 25.1 20.29 11.67 11.93 11.25 16.18 20.51 12.1 15.93 14.9 18.76 11.8 18.9   31.6 11.06 75.6 13.9 15.03 15.64 16.15 47.3 14.3 10.72 18.2 16 15.03 19.4 10.55 18.6 27.3 16.6 18.1 16.8 16.53 12.8 21.2 16.3 11.07 14.63 11.03 16.2 11.52 18.6 11.5 13.6 20.4 12.05   14.6 17.7 12.2 12.2 17.96 13.13
  3 34.8 28.4 28.4   37.9   154 25.6 47.9 50.9 37.5 20.2 33.5 31   36.8       30.65 30.71   34.22 23.3 34.2   28   45.7 19.18 122.4   80.1 33.67 27.2 71.64 25   35.2   31.9 32.9 21.62   40   31.1 28.5 25.3 24.8 30.8 33.5   30.5 43.6     28 20 27.5 29.8 23.71   29.3   20.5 25.2 39.7 22.99
  4   120 50.1   259   218 45.3 64.5 67.1   36.72 51.3 49.1   55.2       54.8 64   45.7 33.3     54   60.9       109 51.2 46.4 98.91 38.3   54.9   42.3   38.95   52.6       44.2 73.5 42.9 45.1   40.7 57     37.4 28.8 43.3 50.7     46.7   61.8   59.4 34.34
  5   154 62.6   340     56 392 84.4     79.5 69.3   79.9       75     93.5           82.7       141 72.4 61.2 138.39 50.5   75.5   68.8   57.45   71       56 91.7 68.3 167   72.3 71.6     58.8   99.2       65.2   77   82.6 81.5
  6   190 128         88.3 490 109     102 90.6   103       99                 100       187 95 68 172.15 103   108           84.4       108 111 81.7 205     90.8     70.7   119       128   93   108 99
Physical Properties
Boiling Point C 2212 2467 616 3080 3700 1640 2470 1560 5000 1484 765 3426 2870 2672 705 2567 2562 2863 1597 2750 2205 3266 2830 4602 357 2695 2080 4130 760 3457 1342 3395 1090 1962 4612 883 4742 3068 2732 5027 1740 3140 3512 3827 686 5627 3727 3900 1750 2831 685 2355 1791 2270 1375 5425 3123 990 4790 3287 1457 1947 3818 3380 5660 3338 1194 907 4377
Density at 20 C g cm-3 10.5 2.7 5.73 19.3 2.34-2.37 3.5 1.848 9.8 2.25 1.55 8.64 6.75 8.9 7.1 1.9 8.96 8.536 9.051 5.243 7.87 5.904 7.895 5.32 13.1 13.6 8.803 7.3 22.4 0.86 6.174 0.534 9.842 1.74 7.4 10.22 0.97 8.57 7.004 8.9 22.5 11.35 12 6.782 21.45 1.532 21 12.4 12.2 6.68 2.99 4.79 2.34 7.536 7.28 2.6 16.6 8.272 6.25 11.5 4.5 11.85 9.322 19.05 6.1 19.3 4.478 6.977 7.14 6.49
Melting Point C 961.9 660.4 Sublimes >300 1064.4 2180 725 1278 271.3 3650 839 321 799 1495 1857 28.5 1083 1412 1529 822 1535 29.8 1313 937.4 2227 -38.87 1474 156.6 2410 63.25 921 180.5 1663 649 1244 2617 97.8 2468 1021 1453 3045 327.5 1554 931 1772 38.89 3180 1965 2310 630.7 1541 217 1410 1077 231.9 770 2996 1356 450 1750 1660 303.5 1545 1132 1890 3410 1522 819 419.5 1852
Electrical Properties
Electrical Resistivity at 20 C ľOhm.cm 1.63 2.67 33.3 2.2 1.8x1012   3.3 117 1375 3.7 7.3 85.4 6.34 13.2 20 1.69 91 86 90 10.1 15.5 134 46x106 32.2 95.9 94 8.8 5.1 6.8 57 9.29 68 4.2 160 5.7 4.5 16 64 6.9 8.8 20.6 10.8 68 10.58 12.1 18.7 4.7 7.7 40.1 66 12 23 x 1010 92 12.6 22.8 13.5 116 1.6x105 14 54 16.6 90 27 19.6 5.4 53 28 5.96 44
Temperature Coefficient of electrical resistivity between 0 C and 100 C K-1 0.0041 0.0045   0.004     0.009 0.0046   0.00457 0.0043 0.0087 0.0066 0.00214 0.0044 0.0043 0.0012 0.00201 0.0048 0.0065 0.004 0.00176   0.0044 0.001 0.00171 0.0052 0.0045 0.0057 0.00218 0.00435 0.0024 0.00425   0.00435 0.0055 0.0026 0.00164 0.0068 0.0041 0.0042 0.0042 0.00171 0.00392 0.0048 0.0045 0.0044 0.0041 0.0051 0.00282     0.00148 0.0046 0.0038 0.0035     0.004 0.0038 0.0052 0.00195 0.0034 0.0039 0.0048 0.00271 0.0013 0.0042 0.0044
Superconductivity Critical Temperature K   1.175         0.026       0.517                   1.08     0.128 4.15   3.41 0.11   4.88   0.1     0.915   9.25     0.66 7.196         1.7   0.49           3.722   4.47     1.38 0.4 2.38     5.4 0.0154     0.85 0.61
Thermal emf against Platinum (cold junction at 0 C,  hot junction at 100 C) mV 0.74 0.42   0.74       -7.34 0.7 -0.51 0.91 1.14 -1.33     0.76       1.98     33.9   0.045   0.69 0.65     1.82   0.44   1.45       -1.48   0.44 -0.57         0.7   4.89     -41.56   0.42   0.33     -0.13   0.58     0.63 1.12 0.55   0.76 1.17
Thermal Properties
Latent Heat of Evaporation J g-1 2390 10800   1738 35000 1100 32470 857   3760 886 2680 6490 6580 611 4796 1725 1680 1155 6095 3984 1920 4516 3700 300 1695 2024 3186 2033 2897 19600 2155 5254 4207 6153 4260 7360 2000 6378 3305 862 3398 2343 2405 887 3824 4800 5610 1370 7293 333 13700 1280 2497 1717 4165 1840 820 2202 8893 813 1456 1753 8975 4009 4135 921 1748 6360
Latent Heat of Fusion J g-1 103 388 370 64.9 2090 55.8 1350 52   209 57 37.3 263 260 15.78 205 105 103 63.4 272 80.1 98.7 465 122 11.5 104 28.5 135 61 60.2 422 110 362 267 290 113 290 75 292 154 23.2 157 80 101 25.7 179.9 210 252 163 357 69 1650 72.4 59.6 105 174 103 138 82.8 365 21 109 52.5 345 192 193 53.2 111 211
Linear Expansion Coefficient between 0 C and 100 C x10-6 K-1 19.1 23.5 5.6 14.1 8.3 18 12 13.4 0.6-4.3 22 31 8 12.5 6.5 97 17 8.6 9.2 32 12.1 18.3 6.4 5.75 6 61 9.5 24.8 6.8 83 4.9 56 12.5 26 23 5.1 71 7.2 6.7 13.3 4.57 29 11 4.8 9 9 6.6 8.5 9.6 9 12 37 4.7-7.6   23.5 23 6.5 7 16.75 11.2 8.9 30 11.6 13.4 8.3 4.5 10.8 25 31 5.9
Specific Heat at 25 C J K-1 kg-1 237 900 328 129 1030 192 1825 124 712 653 232 205 456 518 230 385 173 168 176 444 330 230 322 146 138 165 234 133 753 197 3560 155 1020 477 251   268 205 444 131 159 244 192 133 360 138 244 238 205 557 321 703 180 213 301 140 183 201 113 523 128 160 116 486 133 285 145 388 281
Thermal Conductivity, between 0 C and 100 C W m-1 K-1 429 237 50.2 318     201 7.9 80-240 125 96.9 11.3 100 94   401 10.7 14.5 13.9 80.4 33-41 10.5 60.2 23 8.65 16.2 81.8 147 102.5 13.4 84.8 16.4 156 7.81 138 128 53.7 13 90.9 87.6 35.3 71.8 12.5 71.6 58.2 48 150 117 24.4 15.8 0.5 80-150 13.3 66.8 36.4 57.5 11.1 3.3 54 21.9 46.1 16.9 27.5 30.7 173 17.2 34.9 116 22.7