問題詳情

86. The radioactive isotope 247Bk (Z = 97) decays by a series of α-particle and β-particle productions, taking 247Bk through manytransformations to end up as 207Pb (Z = 82). In the complete decay series, how many α particles and β particles are produced,respectively?
(A) 10, 8
(B) 10, 5
(C) 10, 2
(D) 8, 8
(E) 5, 8

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