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Half-life period of Thallium (Tl) |
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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 Thallium (Tl)
| Element | Mass | Symbol | Decay Type | Half-Life |
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| Thallium | 201 | 201Tl | | 73.06 hours | | Thallium | 204 | 204Tl | Beta decay, Electron capture (e) | 3.78 years | | Thallium | 207 | 207Tl | | 4.77 minutes | | Thallium | 208 | 208Tl | | 3.07 minutes | | Thallium | 209 | 209Tl | | 2.20 minutes |
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