It's Elemental
Isotopes of the Element Zinc
Zinc
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 |
| 64 | 49.17% | >= 7.0×1020 years |
| 66 | 27.73% | STABLE |
| 67 | 4.04% | STABLE |
| 68 | 18.45% | STABLE |
| 70 | 0.61% | >= 2.3×10+17 years |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 54 | 1.59 milliseconds | Double Proton Emission | 92% |
| 55 | 19.8 milliseconds | Electron Capture | 100.0% |
| Electron Capture with delayed Proton Emission | 91.0% | ||
| 56 | 30.0 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 86.00% | ||
| 57 | 38 milliseconds | Electron Capture with delayed Proton Emission | >= 65.00% |
| Electron Capture | 100.00% | ||
| 58 | 86 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | < 3.00% | ||
| 59 | 182.0 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 0.10% | ||
| 60 | 2.38 minutes | Electron Capture | 100.00% |
| 61 | 89.1 seconds | Electron Capture | 100.00% |
| 61m | < 430 milliseconds | Isomeric Transition | No Data Available |
| 61m1 | 0.14 seconds | Isomeric Transition | No Data Available |
| 61m2 | < 0.13 seconds | Isomeric Transition | No Data Available |
| 62 | 9.186 hours | Electron Capture | 100.00% |
| 63 | 38.47 minutes | Electron Capture | 100.00% |
| 64 | >= 7.0×1020 years | Double Electron Capture | No Data Available |
| 65 | 243.93 days | Electron Capture | 100.00% |
| 66 | STABLE | - | - |
| 67 | STABLE | - | - |
| 68 | STABLE | - | - |
| 69 | 56.4 minutes | Beta-minus Decay | 100.00% |
| 69m | 13.76 hours | Isomeric Transition | 99.97% |
| Beta-minus Decay | 0.03% | ||
| 70 | >= 2.3×10+17 years | Double Beta-minus Decay | No Data Available |
| 71 | 2.45 minutes | Beta-minus Decay | 100.00% |
| 71m | 3.96 hours | Beta-minus Decay | 100.00% |
| Isomeric Transition | <= 0.05% | ||
| 72 | 46.5 hours | Beta-minus Decay | 100.00% |
| 73 | 23.5 seconds | Beta-minus Decay | 100.00% |
| 73m | 5.8 seconds | Beta-minus Decay | No Data Available |
| Isomeric Transition | No Data Available | ||
| 73m1 | 13.0 milliseconds | Isomeric Transition | 100.00% |
| 74 | 95.6 seconds | Beta-minus Decay | 100.00% |
| 75 | 10.2 seconds | Beta-minus Decay | 100.00% |
| 76 | 5.7 seconds | Beta-minus Decay | 100.00% |
| 77 | 2.08 seconds | Beta-minus Decay | 100.00% |
| 77m | 1.05 seconds | Isomeric Transition | > 50.00% |
| Beta-minus Decay | < 50.00% | ||
| 78 | 1.47 seconds | Beta-minus Decay | 100.00% |
| 79 | 0.995 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 1.30% | ||
| 80 | 0.54 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 1.00% | ||
| 81 | 304 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 7.50% | ||
| 82 | > 150 nanoseconds | Beta-minus Decay | No Data Available |
| 83 | > 300 nanoseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 84 | > 633 nanoseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Double Neutron Emission | No Data Available | ||
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 85 | > 637 nanoseconds | Beta-minus Decay (suspected) | No Data Available |
| 85m | 637 nanoseconds | Beta-minus Decay with delayed Neutron Emission (suspected) | No Data Available |
| 85m1 | > 637 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.