(this element has radioactive isotopes that survive on geological/cosmological timescales)
Average atomic weight: 232.0377(4) u
| Isotope | Fraction | Atomic weight/u |
| 232 | 1(0) | 232.0380558(21) |
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)
