in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 6 | C | 12 | 12.000 000 0(0) | 0.9893(8) | 12.0107(8) | g,r | ||
| 13 | 13.003 354 8378(10) | 0.0107(8) | ||||||
| 14 | 14.003 241 989(4) | |||||||
| 7 | N | 14 | 14.003 074 004 8(6) | 0.996 36(20) | 14.0067(2) | g,r,a,d | ||
| 15 | 15.000 108 898 2(7) | 0.003 64(20) | ||||||
| 53 | I | 127 | 126.904 473(4) | 1.0000 | 126.904 47(3) | |||
| ||||||||
