in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 8 | O | 16 | 15.994 914 619 56(16) | 0.997 57(16) | 15.9994(3) | g,r,e,w | ||
| 17 | 16.999 131 70(12) | 0.000 38(1) | ||||||
| 18 | 17.999 161 0(7) | 0.002 05(14) | ||||||
| 82 | Pb | 204 | 203.973 0436(13) | 0.014(1) | 207.2(1) | g,r,f | ||
| 206 | 205.974 4653(13) | 0.241(1) | ||||||
| 207 | 206.975 8969(13) | 0.221(1) | ||||||
| 208 | 207.976 6521(13) | 0.524(1) | ||||||
| ||||||||
