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 |
| 12 | 98.93% | STABLE |
| 13 | 1.07% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 8 | 1.981×10-21 seconds | Proton Emission | 100.00% |
| Alpha Decay | No Data Available | ||
| 9 | 126.5 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 61.60% | ||
| Electron Capture with delayed Alpha Decay | 38.40% | ||
| 10 | 19.308 seconds | Electron Capture | 100.00% |
| 11 | 20.334 minutes | Electron Capture | 100.00% |
| 12 | STABLE | - | - |
| 13 | STABLE | - | - |
| 14 | 5700 years | Beta-minus Decay | 100.00% |
| 15 | 2.449 seconds | Beta-minus Decay | 100.00% |
| 16 | 0.747 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 99.00% | ||
| 17 | 193 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 32.00% | ||
| 18 | 92 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 31.50% | ||
| 19 | 49 milliseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | 61.00% | ||
| 20 | 14 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 72.00% | ||
| 21 | 30 nanoseconds | Neutron Emission (suspected) | No Data Available |
| 22 | 6.1 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 61.00% | ||
| Beta-minus Decay with delayed Double Neutron Emission | < 37.00% | ||
| 23 | No Data Available | No Data Available | No Data Available |
This page is maintained by Steve Gagnon.