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chapter23 - 1 Which of the following is a product of-decay...

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1. Which of the following is a product of α -decay of uranium-238? a) 234 Th b) 238 Np c) 238 Pa d) 235 U e) 242 Pu 2. What is the missing product in the following nuclear transmutation equation? 20 43 Ca + α ___________ + 1 1 H 46 Ti 46 Sc 44 Ti 42 Ar 3. What nuclide product is necessary to balance the following fission reaction? 92 235 U + 0 1 n ⎯ → 3 0 1 n + 56 139 Ba + _______ 96 Br 96 Kr 94 Rb 94 Kr 90 4. Electron capture transforms 7 Be into what nuclide? 5. 32 P radioactively decays by beta emission. Its half-life is 14.3 days.
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