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) | ||||||
| 8 | O | 16 | 15.994 914 619 57(17) | 0.997 57(16) | [15.999 03, 15.999 77] | |||
| 17 | 16.999 131 756 50(69) | 0.000 38(1) | ||||||
| 18 | 17.999 159 612 86(76) | 0.002 05(14) | ||||||
| 55 | Cs | 133 | 132.905 451 9610(80) | 1 | 132.905 451 96(6) | |||
| ||||||||
