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 |
| 14 | 99.636% | STABLE |
| 15 | 0.364% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 10 | No Data Available | Proton Emission | 100.00% |
| 11 | 5.49×10-22 seconds | Proton Emission | 100.00% |
| 12 | 11.000 milliseconds | Electron Capture | 100.00% |
| 13 | 9.965 minutes | Electron Capture | 100.00% |
| 14 | STABLE | - | - |
| 15 | STABLE | - | - |
| 16 | 7.13 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Alpha Decay | 1.2×10-3 % | ||
| 17 | 4.173 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 95.1% | ||
| 18 | 620 milliseconds | Beta-minus Decay with delayed Neutron Emission | 7.00% |
| Beta-minus Decay | 100.00% | ||
| Beta-minus Decay with delayed Alpha Decay | 12.20% | ||
| 19 | 336 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 41.80% | ||
| 20 | 136 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 42.90% | ||
| 21 | 83 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 90.50% | ||
| 22 | 20 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 33.00% | ||
| Beta-minus Decay with delayed Double Neutron Emission | 12.00% | ||
| 23 | 14.5 milliseconds | Beta-minus Decay with delayed Neutron Emission | No Data Available |
| Beta-minus Decay with delayed Double Neutron Emission | No Data Available | ||
| Beta-minus Decay | 100.00% | ||
| 24 | 52 nanoseconds | Neutron Emission (suspected) | No Data Available |
| 25 | No Data Available | No Data Available | No Data Available |
This page is maintained by Steve Gagnon.