Definition:Radioactive Decay/Half-Life/Examples
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Examples of Half-Lives of Radioactive Elements
This page lists isotopes of some radioactive elements and their half-lives.
| Rubidium-$87$ | $48.8 \times 10^9$ years | ||||||||
| Uranium-$238$ | $4.5 \times 10^9$ years | ||||||||
| Potassium-$40$ | $1.251 \times 10^9$ years | ||||||||
| Carbon-$14$ | $5 \,730 \pm 40$ years |
Sources
- 1972: George F. Simmons: Differential Equations ... (previous) ... (next): $1$: The Nature of Differential Equations: $\S 4$: Growth, Decay and Chemical Reactions