One of the hazards of nuclear explosion is the generation of sr and its subsequent incorporation in place of calcium in bones.
this nuclide emits î² rays of energy 0.55 mev, and has a half life of 28.1 y.
suppose 1.00 î¼g was absorbed by a newly born child.
how much will remain after (a) 18 y (b) 70y if none is lost metabolically?
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