in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 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) | ||||||
| 14 | Si | 28 | 27.976 926 534 65(44) | 0.922 23(19) | [28.084, 28.086] | |||
| 29 | 28.976 494 664 90(52) | 0.046 85(8) | ||||||
| 30 | 29.973 770 136(23) | 0.030 92(11) | ||||||
| ||||||||
