One of the hazards of nuclear explosions is the generation of 90Sr and its subsequent
Chapter 22, Problem 22.30(choose chapter or problem)
One of the hazards of nuclear explosions is the generation of 90Sr and its subsequent incorporation in place of calcium in bones. This nuclide emits rays of energy 0.55 MeV, and has a half-life of 28.1 y. Suppose 1.00 g was absorbed by a newly born child. How much will remain after (a) 18 y, (b) 70 y if none is lost metabolically?
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