It's Elemental
Isotopes of the Element Oxygen
Oxygen
Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.
Isotopes With A Known Natural Abundance
| Mass Number | Natural Abundance | Half-life |
| 16 | 99.757% | STABLE |
| 17 | 0.038% | STABLE |
| 18 | 0.205% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 12 | 1.139×10-21 seconds | Proton Emission | No Data Available |
| 13 | 8.58 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 100.00% | ||
| 14 | 70.620 seconds | Electron Capture | 100.00% |
| 15 | 122.24 seconds | Electron Capture | 100.00% |
| 16 | STABLE | - | - |
| 17 | STABLE | - | - |
| 18 | STABLE | - | - |
| 19 | 26.88 seconds | Beta-minus Decay | 100.00% |
| 20 | 13.51 seconds | Beta-minus Decay | 100.00% |
| 21 | 3.42 seconds | Beta-minus Decay | 100.00% |
| 22 | 2.25 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | < 22.00% | ||
| 23 | 97 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 7.00% | ||
| 24 | 65 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 58.00% | ||
| 25 | No Data Available | No Data Available | No Data Available |
| 26 | 40 nanoseconds | Neutron Emission (suspected) | No Data Available |
| 27 | 260 nanoseconds | Neutron Emission (suspected) | No Data Available |
| 28 | 100 nanoseconds | Neutron Emission (suspected) | No Data Available |
Citation and linking information
For questions about this page, please contact Carol McKisson.