It's Elemental
Isotopes of the Element Copper
Copper
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 |
| 63 | 69.15% | STABLE |
| 65 | 30.85% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 52 | No Data Available | Proton Emission | No Data Available |
| 53 | < 300 nanoseconds | Electron Capture | No Data Available |
| Proton Emission | No Data Available | ||
| 54 | < 75 nanoseconds | Proton Emission | No Data Available |
| 55 | 27 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 15.0% | ||
| 56 | 93 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 0.40% | ||
| 57 | 196.3 milliseconds | Electron Capture | 100.00% |
| 58 | 3.204 seconds | Electron Capture | 100.00% |
| 59 | 81.5 seconds | Electron Capture | 100.00% |
| 60 | 23.7 minutes | Electron Capture | 100.00% |
| 61 | 3.333 hours | Electron Capture | 100.00% |
| 62 | 9.673 minutes | Electron Capture | 100.00% |
| 63 | STABLE | - | - |
| 64 | 12.701 hours | Electron Capture | 61.50% |
| Beta-minus Decay | 38.50% | ||
| 65 | STABLE | - | - |
| 66 | 5.120 minutes | Beta-minus Decay | 100.00% |
| 67 | 61.83 hours | Beta-minus Decay | 100.00% |
| 68 | 30.9 seconds | Beta-minus Decay | 100.00% |
| 68m | 3.75 minutes | Isomeric Transition | 84.00% |
| Beta-minus Decay | 16.00% | ||
| 69 | 2.85 minutes | Beta-minus Decay | 100.00% |
| 70 | 44.5 seconds | Beta-minus Decay | 100.00% |
| 70m | 33 seconds | Beta-minus Decay | 52.00% |
| Isomeric Transition | 48.00% | ||
| 70m1 | 6.6 seconds | Beta-minus Decay | 93.20% |
| Isomeric Transition | 6.80% | ||
| 71 | 19.4 seconds | Beta-minus Decay | 100.00% |
| 72 | 6.63 seconds | Beta-minus Decay | 100.00% |
| 73 | 4.2 seconds | Beta-minus Decay | 100.00% |
| 74 | 1.594 seconds | Beta-minus Decay | 100.00% |
| 75 | 1.222 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 3.50% | ||
| 76 | 637 milliseconds | Beta-minus Decay with delayed Neutron Emission | 7.20% |
| Beta-minus Decay | 100.00% | ||
| 76m | 1.27 seconds | Beta-minus Decay | 100.00% |
| 77 | 468.1 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 30.30% | ||
| 78 | 335 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | > 65.00% | ||
| 79 | 188 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 55.00% | ||
| 80 | 0.17 seconds | Beta-minus Decay | No Data Available |
| 81 | > 632 nanoseconds | Beta-minus Decay with delayed Neutron Emission | No Data Available |
| Beta-minus Decay | No Data Available | ||
| Beta-minus Decay with delayed Double Neutron Emission | No Data Available | ||
| 82 | > 636 nanoseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| Beta-minus Decay with delayed Double Neutron Emission | No Data Available |
Citation and linking information
For questions about this page, please contact Carol McKisson.