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Half-life period of Selenium (Se) |
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| Find half-life period of radioactive isotopes of different elements; find its decay type and list of particle emitted. Half-life is the time required for a quantity of radioactive element to reduce to half of its initial value. |
Half-life period of Selenium (Se)
| Element | Mass | Symbol | Decay Type | Half-Life |
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| Selenium | 72 | 72Se | Electron capture (e) | 8.4 days | | Selenium | 75 | 75Se | Electron capture (e) | 119.779 days | | Selenium | 79 | 79Se | Beta decay (ß-) | 327,000 years | | Selenium | 82 | 82Se | Double Beta decay (ß- ß-) | 1.08 x 1020 years |
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