1. Phosphorous - 32 has a half - life of 14 days.  After how many days will a 1000 mg sample decay to 62.5 mg? A. 14                B.  28                 C.  42                           D.  56 2. The radioactive disintegration of an atom of  14 c 8 yields 14n 7 What is the second product? A. alpha particle   B.  beta particle       C.  neutron       D.  positron

Q: As the pressure on a radioactive sample doubles, it’s half-life   A. increases by 8   B.…

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Q: a radionuclide (which has no parent) has a half- life of 8.0 days, how much of the original…

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Q: I need help on all parts

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A: No. of half lives = Total time/ half- lives n = 32820/6564 = 5 n = 5

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A: Solution is given below in next step

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A: N = 0.125 No N/No = 0.125

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A: The answer is given as follows

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