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17-12-2022
Chemistry

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the plutonium isotope 239pu is produced as a by-product in nuclear reactors and hence is accumulating in our environment. it is radioactive, decaying with a half-life of 2.41 x 104 y. (a) how many nuclei of pu constitute a chemically lethal dose of 2.00 mg? (b) what is the decay rate of this amount?

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