It's Elemental
Isotopes of the Element Chromium
Chromium
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 |
| 50 | 4.345% | > 1.3×10+18 years |
| 52 | 83.789% | STABLE |
| 53 | 9.501% | STABLE |
| 54 | 2.365% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 42 | 13.3 milliseconds | Electron Capture with delayed Proton Emission | 94.40% |
| Electron Capture | 100.00% | ||
| 43 | 20.6 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 81.00% | ||
| Electron Capture with delayed Double Proton Emission | 7.10% | ||
| Electron Capture with delayed Triple Proton Emission | 0.08% | ||
| 44 | 42.8 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 14.00% | ||
| 45 | 60.9 milliseconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 34.40% | ||
| 46 | 0.26 seconds | Electron Capture | 100.00% |
| 47 | 500 milliseconds | Electron Capture | 100.00% |
| 48 | 21.56 hours | Electron Capture | 100.00% |
| 49 | 42.3 minutes | Electron Capture | 100.00% |
| 50 | > 1.3×10+18 years | Double Electron Capture | No Data Available |
| 51 | 27.7025 days | Electron Capture | 100.00% |
| 52 | STABLE | - | - |
| 53 | STABLE | - | - |
| 54 | STABLE | - | - |
| 55 | 3.497 minutes | Beta-minus Decay | 100.00% |
| 56 | 5.94 minutes | Beta-minus Decay | 100.00% |
| 57 | 21.1 seconds | Beta-minus Decay | 100.00% |
| 58 | 7.0 seconds | Beta-minus Decay | 100.00% |
| 59 | 1.05 seconds | Beta-minus Decay | 100.00% |
| 60 | 0.49 seconds | Beta-minus Decay | 100.00% |
| 61 | 243 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 62 | 206 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 63 | 129 milliseconds | Beta-minus Decay | 100.00% |
| Beta-minus Decay with delayed Neutron Emission | No Data Available | ||
| 64 | 42 milliseconds | Beta-minus Decay | 100.00% |
| 65 | 28 milliseconds | Beta-minus Decay | 100.00% |
| 66 | 23 milliseconds | Beta-minus Decay | 100.00% |
| 67 | No Data Available | Beta-minus Decay (suspected) | No Data Available |
| 68 | > 360 nanoseconds | Beta-minus Decay | No Data Available |
| Beta-minus Decay with delayed Neutron Emission | No Data Available |
Citation and linking information
For questions about this page, please contact Steve Gagnon.