It's Elemental
Isotopes of the Element Technetium
Technetium
Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 85 | 0.5 seconds | Proton Emission (suspected) | No Data Available |
| 86 | 54 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | No Data Available | ||
| 87 | 2.2 seconds | Electron Capture | 100.00% |
| 88 | 5.8 seconds | Electron Capture | 100.00% |
| 88m | 6.4 seconds | Electron Capture | 100.00% |
| 89 | 12.8 seconds | Electron Capture | 100.00% |
| 89m | 12.9 seconds | Electron Capture | 100.00% |
| Isomeric Transition | < 0.01% | ||
| 90 | 8.7 seconds | Electron Capture | 100.00% |
| 90m | 49.2 seconds | Electron Capture | 100.00% |
| 91 | 3.14 minutes | Electron Capture | 100.00% |
| 91m | 3.3 minutes | Isomeric Transition | < 1.00% |
| Electron Capture | 100.00% | ||
| 92 | 4.25 minutes | Electron Capture | 100.00% |
| 93 | 2.75 hours | Electron Capture | 100.00% |
| 93m | 43.5 minutes | Isomeric Transition | 77.40% |
| Electron Capture | 22.60% | ||
| 94 | 293 minutes | Electron Capture | 100.00% |
| 94m | 52.0 minutes | Electron Capture | 100.00% |
| Isomeric Transition | < 0.10% | ||
| 95 | 20.0 hours | Electron Capture | 100.00% |
| 95m | 61 days | Electron Capture | 96.12% |
| Isomeric Transition | 3.88% | ||
| 96 | 4.28 days | Electron Capture | 100.00% |
| 96m | 51.5 minutes | Isomeric Transition | 98.00% |
| Electron Capture | 2.00% | ||
| 97 | 4.21×10+6 years | Electron Capture | 100.00% |
| 97m | 91.0 days | Isomeric Transition | 96.06% |
| Electron Capture | 3.94% | ||
| 98 | 4.2×10+6 years | Beta-minus Decay | 100.00% |
| 99 | 2.111×10+5 years | Beta-minus Decay | 100.00% |
| 99m | 6.0067 hours | Isomeric Transition | 100.00% |
| Beta-minus Decay | 3.7×10-3 % | ||
| 100 | 15.46 seconds | Electron Capture | 2.6×10-3 % |
| Beta-minus Decay | 100.00% | ||
| 101 | 14.02 minutes | Beta-minus Decay | 100.00% |
| 102 | 5.28 seconds | Beta-minus Decay | 100.00% |
| 102m | 4.35 minutes | Beta-minus Decay | 98.00% |
| Isomeric Transition | 2.00% | ||
| 103 | 54.2 seconds | Beta-minus Decay | 100.00% |
| 104 | 18.3 minutes | Beta-minus Decay | 100.00% |
| 105 | 7.6 minutes | Beta-minus Decay | 100.00% |
| 106 | 35.6 seconds | Beta-minus Decay | 100.00% |
| 107 | 21.2 seconds | Beta-minus Decay | 100.00% |
| 108 | 5.17 seconds | Beta-minus Decay | 100.00% |
| 109 | 0.86 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 0.08% | ||
| 110 | 0.92 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 0.04% | ||
| 111 | 350 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 0.85% | ||
| 112 | 0.29 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 4.00% | ||
| 113 | 160 milliseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | 2.10% | ||
| 114 | 100 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission (suspected) | No Data Available | ||
| 114m | 90 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission (suspected) | No Data Available | ||
| 115 | 83 milliseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 116 | 56 milliseconds | Beta-minus Decay | No Data Available |
| 117 | 85 milliseconds | Beta-minus Decay | No Data Available |
| 118 | No Data Available | Beta-minus Decay | No Data Available |
| 119 | > 392 nanoseconds | Beta-minus Decay with delayed Double Neutron Emission (suspected) | No Data Available |
| Beta-minus Decay | No Data Available | ||
| 119m | 392 nanoseconds | Beta-minus Decay with delayed Neutron Emission (suspected) | No Data Available |
| 120 | > 394 nanoseconds | Beta-minus Decay | No Data Available |
| 120m | 394 nanoseconds | Beta-minus Decay with delayed Neutron Emission (suspected) | No Data Available |
| 120m1 | > 394 nanoseconds | Beta-minus Decay with delayed Double Neutron Emission (suspected) | No Data Available |
Citation and linking information
For questions about this page, please contact Carol McKisson.