Most of the isotope data on this site has been obtained from the National Nuclear Data Center.
Naturally Occurring Isotopes
| Mass Number | Natural Abundance | Half-life |
| 9 | 100.% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 5 | No Data Available | Proton Emission | No Data Available |
| 6 | 4.953×10-21 seconds | Proton Emission | 100.00% |
| Alpha Decay | 100.00% | ||
| 7 | 53.24 days | Electron Capture | 100.00% |
| 8 | 8.181×10-17 seconds | Alpha Decay | 100.00% |
| 9 | STABLE | - | - |
| 10 | 1.387×10+6 years | Beta-minus Decay | 100.00% |
| 11 | 13.81 seconds | Beta-minus Decay with delayed Alpha Decay | 3.1% |
| Beta-minus Decay | 100.00% | ||
| 12 | 21.49 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | <= 1.00% | ||
| 13 | 2.7×10-21 seconds | Neutron Emission | No Data Available |
| 14 | 4.35 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 81.00% | ||
| Beta-minus Decay with delayed Double Neutron Emission | 5.00% | ||
| 15 | 200 nanoseconds | Neutron Emission (suspected) | No Data Available |
| 16 | 200 nanoseconds | Double Neutron Emission (suspected) | No Data Available |
This page is maintained by Steve Gagnon.