It's Elemental
Isotopes of the Element Manganese
Manganese
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 |
| 55 | 100% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 44 | < 105 nanoseconds | Electron Capture | No Data Available |
| Proton Emission | No Data Available | ||
| 45 | No Data Available | No Data Available | No Data Available |
| 46 | 36.2 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 57.00% | ||
| 47 | 88.0 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | < 1.70% | ||
| 48 | 158.1 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 0.28% | ||
| Electron Capture with delayed Alpha Decay | < 6.0×10-4 % | ||
| 49 | 382 milliseconds | Electron Capture | 100.00% |
| 50 | 283.19 milliseconds | Electron Capture | 100.00% |
| 50m | 1.75 minutes | Electron Capture | 100.00% |
| 51 | 46.2 minutes | Electron Capture | 100.00% |
| 52 | 5.591 days | Electron Capture | 100.00% |
| 52m | 21.1 minutes | Electron Capture | 98.25% |
| Isomeric Transition | 1.75% | ||
| 53 | 3.74×10+6 years | Electron Capture | 100.00% |
| 54 | 312.12 days | Electron Capture | 100.00% |
| Beta-minus Decay | < 2.9×10-4 % | ||
| 55 | STABLE | - | - |
| 56 | 2.5789 hours | Beta-minus Decay | 100.00% |
| 57 | 85.4 seconds | Beta-minus Decay | 100.00% |
| 58 | 3.0 seconds | Beta-minus Decay | 100.00% |
| 58m | 65.4 seconds | Beta-minus Decay | ~ 90.00% |
| Isomeric Transition | ~ 10.00% | ||
| 59 | 4.59 seconds | Beta-minus Decay | 100.00% |
| 60 | 0.28 seconds | Beta-minus Decay | 100.00% |
| 60m | 1.77 seconds | Beta-minus Decay | 88.50% |
| Isomeric Transition | 11.50% | ||
| 61 | 0.67 seconds | Beta-minus Decay | 100.00% |
| 62 | 671 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 62m | 92 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 63 | 0.275 seconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 64 | 90 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | 33.00% | ||
| 64m | 0.50 milliseconds | Isomeric Transition | 100.00% |
| 65 | 84 milliseconds | Beta-minus Decay | 100.00% |
| 66 | 65 milliseconds | Beta-minus Decay | 100.00% |
| 67 | 51 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | > 10.0% | ||
| 68 | 28 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 69 | 18 milliseconds | Beta-minus Decay | 100.00% |
| 70 | > 360 nanoseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 71 | > 637 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.