| 80 Hg - Mercury - 200.592(3) | 200.5923 | 27.71352242 | 0.321438061 |
| 81 Tl - Thallium - [204.382; 204.385] | 204.382 | 27.19965165 | 0.31547788 |
| 82 Pb - Lead - 207.2(1) | 207.21 | 26.82843108 | 0.311172241 |
| 83 Bi - Bismuth - 208.980 40(1) | 208.980401 | 26.601151 | 0.30853611 |
| 84 Po - Polonium - <209> | 209 | 26.59865648 | 0.308507177 |
| 85 At - Astatine - <210> | 210 | 26.47199621 | 0.307038095 |
| 86 Rn - Radon - <222> | 222 | 25.0410775 | 0.290441441 |
| 87 Fr - Francium - <223> | 223 | 24.92878567 | 0.289139013 |
| 88 Ra - Radium - <226> | 226 | 24.59787258 | 0.285300885 |
| 89 Ac - Actinium - <227> | 227 | 24.48951191 | 0.284044053 |
| 90 Th - Thorium - 232.037 7(4) | 232.03774 | 23.95782343 | 0.277877211 |
| 91 Pa - Protactinium - 231.035 88(2) | 231.035882 | 24.06171351 | 0.27908219 |
| 92 U - Uranium - 238.028 91(3) | 238.028913 | 23.3548065 | 0.270883059 |
| 93 Np - Neptunium - <237> | 237 | 23.45619917 | 0.272059072 |
| 94 Pu - Plutonium - <244> | 244 | 22.78327543 | 0.264254098 |
| 95 Am - Americium - <243> | 243 | 22.87703376 | 0.265341564 |
| 96 Cm - Curium - <247> | 247 | 22.50655548 | 0.261044534 |
| 97 Bk - Berkelium - <247> | 247 | 22.50655548 | 0.261044534 |
| 98 Cf - Californium - <251> | 251 | 22.14788528 | 0.256884462 |
| 99 Es - Einsteinium - <252> | 252 | 22.05999684 | 0.255865079 |
| 100 Fm - Fermium - <257> | 257 | 21.63081402 | 0.25088716 |
| 101 Md - Mendelevium - <258> | 258 | 21.54697366 | 0.249914729 |
| 102 No - Nobelium - <259> | 259 | 21.46378071 | 0.248949807 |
| 103 Lr - Lawrencium - <262> | 262 | 21.21801223 | 0.246099237 |
| 104 Rf - Rutherfordium - <267> | 267 | 20.82067118 | 0.241490637 |
| 105 Db - Dubnium - <268> | 268 | 20.7429821 | 0.240589552 |
| 106 Sg - Seaborgium - <271> | 271 | 20.513355 | 0.237926199 |
| 107 Bh - Bohrium - <272> | 272 | 20.43793825 | 0.237051471 |
| 108 Hs - Hassium - <270> | 270 | 20.58933039 | 0.238807407 |
| 109 Mt - Meitnerium - <276> | 276 | 20.14173625 | 0.233615942 |
| 110 Ds - Darmstadtium - <281> | 281 | 19.78334236 | 0.229459075 |
| 111 Rg - Roentgenium - <280> | 285 | 19.50568142 | 0.226238596 |
| 112 Cn - Copernicium - <285> | 285 | 19.50568142 | 0.226238596 |
| 113 Uut - Ununtrium - <284> | 284 | 19.57436339 | 0.227035211 |
| 114 Fl - Flerovium - <289> | 289 | 19.23570659 | 0.223107266 |
| 115 Uup - Ununpentium - <288> | 288 | 19.30249724 | 0.223881944 |
| 116 Lv - Livermorium - <293> | 293 | 18.97310309 | 0.220061433 |
| 117 Uus- <294> | 294 | 18.90856872 | 0.219312925 |
| 118 Uuo - Ununoctium - <294> | 294 | 18.90856872 | 0.219312925 |
|
| Average | 140.3485256 | 1.627846409 |