Half Life
The amount of time it takes for half an initial amount to disintegrate. Longer half lives typically correspond to lower radioactivity. Tritium, the heaviest isotope of hydrogen, decays with a relatively short half life of 12.3 years.
Where
t½ = half life
λe = Decay rate
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| Actinium | 686538720 | s | Clip |
| Lawrencium | 8 | s | Clip |
| Tritium | 387892800 | s | Clip |
paste all data into clipboardSee also: Decay Rate.
Subjects: Physics