Average atomic weight: 118.710(7) u
| Isotope | Fraction | Atomic weight/u |
| 112 | 0.0097(1) | 111.90482387(61) |
| 114 | 0.0066(1) | 113.9027827(10) |
| 115 | 0.0034(1) | 114.903344699(16) |
| 116 | 0.1454(9) | 115.90174280(10) |
| 117 | 0.0768(7) | 116.90295398(52) |
| 118 | 0.2422(9) | 117.90160657(54) |
| 119 | 0.0859(4) | 118.90331117(78) |
| 120 | 0.3258(9) | 119.90220163(97) |
| 122 | 0.0463(3) | 121.9034438(26) |
| 124 | 0.0579(5) | 123.9052766(11) |
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)
