It's Elemental
Isotopes of the Element Erbium
Erbium
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 |
| 162 | 0.139% | STABLE |
| 164 | 1.601% | STABLE |
| 166 | 33.503% | STABLE |
| 167 | 22.869% | STABLE |
| 168 | 26.978% | STABLE |
| 170 | 14.910% | STABLE |
Known Isotopes
| Mass Number | Half-life | Decay Mode | Branching Percentage |
| 142 | No Data Available | No Data Available | No Data Available |
| 143 | No Data Available | Electron Capture (suspected) | No Data Available |
| 144 | >= 200 nanoseconds | Electron Capture | 100.00% |
| 145 | No Data Available | Electron Capture (suspected) | No Data Available |
| 145m | 1.0 seconds | Electron Capture with delayed Proton Emission | No Data Available |
| Electron Capture | 100.00% | ||
| 146 | 1.7 seconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 100.00% | ||
| 147 | 2.5 seconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | > 0.00% | ||
| 147m | 1.6 seconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | > 0.00% | ||
| 148 | 4.6 seconds | Electron Capture | 100.00% |
| 149 | 4 seconds | Electron Capture | 100.00% |
| Electron Capture with delayed Proton Emission | 7.00% | ||
| 149m | 8.9 seconds | Isomeric Transition | 3.50% |
| Electron Capture with delayed Proton Emission | 0.18% | ||
| Electron Capture | 96.50% | ||
| 150 | 18.5 seconds | Electron Capture | 100.00% |
| 151 | 23.5 seconds | Electron Capture | 100.00% |
| 151m | 0.58 seconds | Isomeric Transition | 95.30% |
| Electron Capture | 4.70% | ||
| 152 | 10.3 seconds | Alpha Decay | 90.00% |
| Electron Capture | 10.00% | ||
| 153 | 37.1 seconds | Alpha Decay | 53.00% |
| Electron Capture | 47.00% | ||
| 154 | 3.73 minutes | Electron Capture | 99.53% |
| Alpha Decay | 0.47% | ||
| 155 | 5.3 minutes | Electron Capture | 99.98% |
| Alpha Decay | 0.02% | ||
| 156 | 19.5 minutes | Electron Capture | 100.00% |
| Alpha Decay | 1.7×10-5 % | ||
| 157 | 18.65 minutes | Electron Capture | 100.00% |
| 157m | 76 milliseconds | Isomeric Transition | 100.00% |
| 158 | 2.29 hours | Electron Capture | 100.00% |
| 159 | 36 minutes | Electron Capture | 100.00% |
| 160 | 28.58 hours | Electron Capture | 100.00% |
| 161 | 3.21 hours | Electron Capture | 100.00% |
| 162 | STABLE | - | - |
| 163 | 75.0 minutes | Electron Capture | 100.00% |
| 164 | STABLE | - | - |
| 165 | 10.36 hours | Electron Capture | 100.00% |
| 166 | STABLE | - | - |
| 167 | STABLE | - | - |
| 167m | 2.269 seconds | Isomeric Transition | 100.00% |
| 168 | STABLE | - | - |
| 169 | 9.392 days | Beta-minus Decay | 100.00% |
| 170 | STABLE | - | - |
| 171 | 7.516 hours | Beta-minus Decay | 100.00% |
| 172 | 49.3 hours | Beta-minus Decay | 100.00% |
| 173 | 1.4 minutes | Beta-minus Decay | 100.00% |
| 174 | 3.2 minutes | Beta-minus Decay | 100.00% |
| 175 | 1.2 minutes | Beta-minus Decay | 100.00% |
| 176 | No Data Available | Beta-minus Decay (suspected) | No Data Available |
| 177 | No Data Available | Beta-minus Decay (suspected) | No Data Available |
Citation and linking information
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