Average atomic weight: 174.9668(1) u
| Isotope | Fraction | Atomic weight/u |
| 175 | 0.97401(13) | 174.9407752(20) |
| 176 | 0.02599(13) | 175.9426897(20) |
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)
