in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 35 | Br | 79 | 78.918 3371(22) | 0.5069(7) | 79.904(1) | |||
| 81 | 80.916 2906(21) | 0.4931(7) | ||||||
| 37 | Rb | 85 | 84.911 789 738(12) | 0.7217(2) | 85.4678(3) | g | ||
| 87 | 86.909 180 527(13) | 0.2783(2) | ||||||
| ||||||||
