It's Elemental
Isotopes of the Element Copernicium
Copernicium
Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.
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% |
Citation and linking information
For questions about this page, please contact Carol McKisson.