in choosing which isotopes to search.
| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 34 | Se | 74 | 73.922 475 934(15) | 0.0089(4) | 78.971(8) | r | ||
| 76 | 75.919 213 704(17) | 0.0937(29) | ||||||
| 77 | 76.919 914 154(67) | 0.0763(16) | ||||||
| 78 | 77.917 309 28(20) | 0.2377(28) | ||||||
| 80 | 79.916 5218(13) | 0.4961(41) | ||||||
| 82 | 81.916 6995(15) | 0.0873(22) | ||||||
| 50 | Sn | 112 | 111.904 823 87(61) | 0.0097(1) | 118.710(7) | g | ||
| 114 | 113.902 7827(10) | 0.0066(1) | ||||||
| 115 | 114.903 344 699(16) | 0.0034(1) | ||||||
| 116 | 115.901 742 80(10) | 0.1454(9) | ||||||
| 117 | 116.902 953 98(52) | 0.0768(7) | ||||||
| 118 | 117.901 606 57(54) | 0.2422(9) | ||||||
| 119 | 118.903 311 17(78) | 0.0859(4) | ||||||
| 120 | 119.902 201 63(97) | 0.3258(9) | ||||||
| 122 | 121.903 4438(26) | 0.0463(3) | ||||||
| 124 | 123.905 2766(11) | 0.0579(5) | ||||||
| ||||||||
