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Template:Isotope colour chart

From Wikipedia, the free encyclopedia
Half-lives (example: most stable isotopes)
210At < 1 day
222Rn 1–10 days
258Md 10–100 days
252Es 100 days–10 a
226Ra 10–10,000 a
97Tc 10 ka–700 Ma
238U > 700 Ma
12C Stable