3. The half-life of radon is 3.82 days. What fraction of a freshly separated sample of this nuclide will disintegrate in one day? In 2, 3, 4, 5, 10 days? If the sample contains, initially, one microgram of radon, how many atoms will disintegrate during the first day? During the fifth day? During the tenth day?

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A: Answer is given below.

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A: Half life is the period at which concentration of reactant reduces half of its original value.

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A: Half life =30 seconds Decay percentage = 80%

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