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 |
| 75 | 100% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 60 | No Data Available | Proton Emission (suspected) | No Data Available |
| 61 | No Data Available | Proton Emission (suspected) | No Data Available |
| 62 | No Data Available | Proton Emission (suspected) | No Data Available |
| 63 | < 43 nanoseconds | Proton Emission | No Data Available |
| 64 | 18 milliseconds | Electron Capture | 100.00% |
| 65 | 128 milliseconds | Electron Capture | 100.00% |
| 66 | 95.77 milliseconds | Electron Capture | 100.00% |
| 67 | 42.5 seconds | Electron Capture | 100.00% |
| 68 | 151.6 seconds | Electron Capture | 100.00% |
| 69 | 15.2 minutes | Electron Capture | 100.00% |
| 70 | 52.6 minutes | Electron Capture | 100.00% |
| 71 | 65.30 hours | Electron Capture | 100.00% |
| 72 | 26.0 hours | Electron Capture | 100.00% |
| 73 | 80.30 days | Electron Capture | 100.00% |
| 74 | 17.77 days | Electron Capture | 66.00% |
| Beta-minus Decay | 34.00% | ||
| 75 | STABLE | - | - |
| 75m | 17.62 milliseconds | Isomeric Transition | 100.00% |
| 76 | 1.0942 days | Beta-minus Decay | 100.00% |
| 77 | 38.83 hours | Beta-minus Decay | 100.00% |
| 78 | 90.7 minutes | Beta-minus Decay | 100.00% |
| 79 | 9.01 minutes | Beta-minus Decay | 100.00% |
| 80 | 15.2 seconds | Beta-minus Decay | 100.00% |
| 81 | 33.3 seconds | Beta-minus Decay | 100.00% |
| 82 | 19.1 seconds | Beta-minus Decay | 100.00% |
| 82m | 13.6 seconds | Beta-minus Decay | 100.00% |
| 83 | 13.4 seconds | Beta-minus Decay | 100.00% |
| 84 | 4.2 seconds | Beta-minus Decay with delayed Neutron Emission | 0.18% |
| Beta-minus Decay | 100.00% | ||
| 85 | 2.021 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 59.40% | ||
| 86 | 0.945 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 26.00% | ||
| 87 | 0.56 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 15.40% | ||
| 88 | > 300 nanoseconds | Beta-minus Decay | 100.00% |
| 89 | > 300 nanoseconds | Beta-minus Decay (suspected) | No Data Available |
| 89m | 300 nanoseconds | Beta-minus Decay with delayed Neutron Emission (suspected) | No Data Available |
| 90 | > 300 nanoseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 91 | > 150 nanoseconds | Beta-minus Decay | No Data Available |
| 92 | No Data Available | Beta-minus Decay | 100.00% |
This page is maintained by Steve Gagnon.