Most of the isotope data on this site has been obtained from the National Nuclear Data Center.
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 276 | No Data Available | No Data Available | No Data Available |
| 277 | No Data Available | No Data Available | No Data Available |
| 278 | No Data Available | Alpha Decay (suspected) | No Data Available |
| Spontaneous Fission (suspected) | No Data Available | ||
| 279 | No Data Available | Spontaneous Fission (suspected) | No Data Available |
| Alpha Decay (suspected) | No Data Available | ||
| 280 | No Data Available | Alpha Decay (suspected) | No Data Available |
| Spontaneous Fission (suspected) | No Data Available | ||
| 281 | No Data Available | Alpha Decay | No Data Available |
| 282 | 0.50 milliseconds | Spontaneous Fission | 100.00% |
| 283 | 4.0 seconds | Alpha Decay | >= 90.00% |
| Spontaneous Fission | <= 10.00% | ||
| Spontaneous Fission | 50.00% | ||
| Alpha Decay | 50.00% | ||
| 284 | 101 milliseconds | Spontaneous Fission | 100.00% |
| 285 | 30 seconds | Alpha Decay | 100.00% |
This page is maintained by Steve Gagnon.