| Isotope | Relative Atomic Mass |
Isotopic Composition |
Standard Atomic Weight |
Notes | ||||
|---|---|---|---|---|---|---|---|---|
 | ||||||||
| 44 | Ru | 96 | 95.907 590 25(49) | 0.0554(14) | 101.07(2) | g | ||
| 98 | 97.905 2868(69) | 0.0187(3) | ||||||
| 99 | 98.905 9341(11) | 0.1276(14) | ||||||
| 100 | 99.904 2143(11) | 0.1260(7) | ||||||
| 101 | 100.905 5769(12) | 0.1706(2) | ||||||
| 102 | 101.904 3441(12) | 0.3155(14) | ||||||
| 104 | 103.905 4275(28) | 0.1862(27) | ||||||
| ||||||||
