in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 34 | Se | 74 | 73.922 4764(18) | 0.0089(4) | 78.96(3) | |||
| 76 | 75.919 2136(18) | 0.0937(29) | ||||||
| 77 | 76.919 9140(18) | 0.0763(16) | ||||||
| 78 | 77.917 3091(18) | 0.2377(28) | ||||||
| 80 | 79.916 5213(21) | 0.4961(41) | ||||||
| 82 | 81.916 6994(22) | 0.0873(22) | ||||||
| 50 | Sn | 112 | 111.904 818(5) | 0.0097(1) | 118.710(7) | g,e | ||
| 114 | 113.902 779(3) | 0.0066(1) | ||||||
| 115 | 114.903 342(3) | 0.0034(1) | ||||||
| 116 | 115.901 741(3) | 0.1454(9) | ||||||
| 117 | 116.902 952(3) | 0.0768(7) | ||||||
| 118 | 117.901 603(3) | 0.2422(9) | ||||||
| 119 | 118.903 308(3) | 0.0859(4) | ||||||
| 120 | 119.902 1947(27) | 0.3258(9) | ||||||
| 122 | 121.903 4390(29) | 0.0463(3) | ||||||
| 124 | 123.905 2739(15) | 0.0579(5) | ||||||
| ||||||||
