Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.
Naturally Occurring Isotopes
Ununoctium has no naturally occurring isotopes.
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 294 | 0.89 microseconds | Alpha Decay | 100.00% |
This page is maintained by Steve Gagnon.