Most of the isotope data on this site has been obtained from the National Nuclear Data Center.
Naturally Occurring Isotopes
Bohrium has no naturally occurring isotopes.
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 260 | 35 milliseconds | Alpha Decay | <= 100.00% |
| 261 | 11.8 milliseconds | Alpha Decay | 100.00% |
| 262 | 22 milliseconds | Alpha Decay | < 100.00% |
| Alpha Decay | < 100.00% | ||
| 263 | No Data Available | Alpha Decay (suspected) | No Data Available |
| 264 | 0.44 seconds | Alpha Decay | <= 100.00% |
| 265 | 0.9 seconds | Alpha Decay | No Data Available |
| 266 | 1.7 seconds | Alpha Decay | 100.00% |
| 267 | 17 seconds | Alpha Decay | 100.00% |
| 268 | No Data Available | No Data Available | No Data Available |
| 269 | No Data Available | No Data Available | No Data Available |
| 270 | 6×10+1 seconds | Alpha Decay | No Data Available |
| 271 | No Data Available | Alpha Decay (suspected) | No Data Available |
| 272 | 10 seconds | Alpha Decay | 100.00% |
| 273 | No Data Available | Alpha Decay (suspected) | No Data Available |
| Spontaneous Fission (suspected) | No Data Available | ||
| 274 | 0.9 minutes | Alpha Decay | 100.00% |
| Spontaneous Fission | No Data Available | ||
| 275 | No Data Available | Spontaneous Fission (suspected) | No Data Available |
This page is maintained by Steve Gagnon.