in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 9 | F | 19 | 18.998 403 22(7) | 1.0000 | 18.998 403 2(5) | |||
| 38 | Sr | 84 | 83.913 425(3) | 0.0056(1) | 87.62(1) | g,r,f | ||
| 86 | 85.909 2602(12) | 0.0986(1) | ||||||
| 87 | 86.908 8771(12) | 0.0700(1) | ||||||
| 88 | 87.905 6121(12) | 0.8258(1) | ||||||
| ||||||||
