in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 8 | O | 16 | 15.994 914 619 56(16) | 0.997 57(16) | 15.9994(3) | g,r,e,w | ||
| 17 | 16.999 131 70(12) | 0.000 38(1) | ||||||
| 18 | 17.999 161 0(7) | 0.002 05(14) | ||||||
| 14 | Si | 28 | 27.976 926 5325(19) | 0.922 23(19) | 28.0855(3) | r | ||
| 29 | 28.976 494 700(22) | 0.046 85(8) | ||||||
| 30 | 29.973 770 17(3) | 0.030 92(11) | ||||||
| ||||||||
