F7R of alpha particles is equal to
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A: Result 5.43 MeV Solution
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- What isotope is produced when Np-239 emits a beta particle?Q4: - The radioactive isotope Au has a half-life of 64.8 h. A sample containing this isotope has an initial activity of 40 uci. Calculate the number of nuclei that will decay in the time interval from t : =10 h to t; =12h.Find the energy released in the alpha decay of 22688Ra (226.025402 u). (Hint: 22286Rn has a mass of 222.017571 u.)