in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 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) | ||||||
| 17 | Cl | 35 | 34.968 852 68(4) | 0.7576(10) | 35.453(2) | m | ||
| 37 | 36.965 902 59(5) | 0.2424(10) | ||||||
| ||||||||
