[Click for Main Data] Proton Emission Neutron Emission Electron Emission Positron Emission
Most of the isotope data on this site has been obtained from the National Nuclear Data Center.
Naturally Occurring Isotopes
Flerovium has no naturally occurring isotopes.
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 285 | No Data Available | Alpha Decay | No Data Available |
| 286 | 0.16 seconds | Spontaneous Fission | ~ 60.00% |
| Alpha Decay | ~ 40.00% | ||
| 287 | 0.51 seconds | Alpha Decay | 100.00% |
| 288 | 0.52 seconds | Alpha Decay | 100.00% |
| 289 | 0.97 seconds | Alpha Decay | 100.00% |
| 289m | 2.7 seconds | Alpha Decay | 100.00% |
| 290 | 80 seconds | Alpha Decay | 100.00% |
This page is maintained by Steve Gagnon.