|
|
| Isotopes of Selenium |
 Notable Isotopes
|
 72Se [38 neutrons] |
 Abundance: synthetic
|
| Half life: 8.4 days [ Electron Capture ]
|
| Decay Energy: ?MeV |
| Decays to 72As.
|
| Half life: 8.4 days [ Gamma Radiation ]
|
| Decay Energy: 0.046MeV |
| Decays to ?.
|
| 74Se [40 neutrons] |
| Abundance: 0.87%
|
| Stable with 40 neutrons
|
| 75Se [41 neutrons] |
| Abundance: synthetic
|
| Half life: 119.779 days [ Electron Capture ]
|
| Decay Energy: ?MeV |
| Decays to 75As.
|
| Half life: 119.779 days [ Gamma Radiation ]
|
| Decay Energy: 0.264, 0.136, 0.279MeV |
| Decays to ?.
|
| 76Se [42 neutrons] |
| Abundance: 9.36%
|
| Stable with 42 neutrons
|
| 77Se [43 neutrons] |
| Abundance: 7.63%
|
| Stable with 43
|
| 78Se [44 neutrons] |
| Abundance: 23.78%
|
| Stable with 44 neutrons
|
| 79Se [45 neutrons] |
| Abundance: synthetic
|
| Half life: 1.13 x 106 years [ beta- ]
|
| Decay Energy: 0.151MeV |
| Decays to 79Br.
|
| 80Se [46 neutrons] |
| Abundance: 49.61%
|
| Stable with 46 neutrons
|
| 82Se [48 neutrons] |
| Abundance: 8.73%
|
| Half life: 1.08 x 1020 years [ Double beta decay ]
|
| Decay Energy: 2.995MeV |
| Decays to 82Kr.
|