Average atomic weight: 106.42(1) u
| Isotope | Fraction | Atomic weight/u |
| 102 | 0.0102(1) | 101.9056022(28) |
| 104 | 0.1114(8) | 103.9040305(14) |
| 105 | 0.2233(8) | 104.9050796(12) |
| 106 | 0.2733(3) | 105.9034804(12) |
| 108 | 0.2646(9) | 107.9038916(12) |
| 110 | 0.1172(9) | 109.90517220(75) |
Atomic weights and isotopic compositions were obtained from NIST Database 144
The Atomic Line List does not contain any data for this element
(Atomic Line List v3.00b5)
