in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 1 | H | 1 | 1.007 825 032 23(9) | 0.999 885(70) | [1.007 84, 1.008 11] | m | ||
| D | 2 | 2.014 101 778 12(12) | 0.000 115(70) | |||||
| T | 3 | 3.016 049 2779(24) | ||||||
| 53 | I | 127 | 126.904 4719(39) | 1 | 126.904 47(3) | |||
| ||||||||
