in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 32 | Ge | 70 | 69.924 248 75(90) | 0.2057(27) | 72.630(8) | |||
| 72 | 71.922 075 826(81) | 0.2745(32) | ||||||
| 73 | 72.923 458 956(61) | 0.0775(12) | ||||||
| 74 | 73.921 177 761(13) | 0.3650(20) | ||||||
| 76 | 75.921 402 726(19) | 0.0773(12) | ||||||
| 34 | Se | 74 | 73.922 475 934(15) | 0.0089(4) | 78.971(8) | r | ||
| 76 | 75.919 213 704(17) | 0.0937(29) | ||||||
| 77 | 76.919 914 154(67) | 0.0763(16) | ||||||
| 78 | 77.917 309 28(20) | 0.2377(28) | ||||||
| 80 | 79.916 5218(13) | 0.4961(41) | ||||||
| 82 | 81.916 6995(15) | 0.0873(22) | ||||||
| ||||||||
