 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: 0.046 MeV |
| 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, 0.279 MeV |
| 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 yeasr
[ beta- ]
|
| Decay Energy: 0.151 MeV |
| 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: 2.995 MeV |
| Decays to 82Kr. |