in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 32 | Ge | 70 | 69.924 2474(11) | 0.2038(18) | 72.64(1) | |||
| 72 | 71.922 0758(18) | 0.2731(26) | ||||||
| 73 | 72.923 4589(18) | 0.0776(8) | ||||||
| 74 | 73.921 1778(18) | 0.3672(15) | ||||||
| 76 | 75.921 4026(18) | 0.0783(7) | ||||||
| 34 | Se | 74 | 73.922 4764(18) | 0.0089(4) | 78.96(3) | |||
| 76 | 75.919 2136(18) | 0.0937(29) | ||||||
| 77 | 76.919 9140(18) | 0.0763(16) | ||||||
| 78 | 77.917 3091(18) | 0.2377(28) | ||||||
| 80 | 79.916 5213(21) | 0.4961(41) | ||||||
| 82 | 81.916 6994(22) | 0.0873(22) | ||||||
| ||||||||
