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1. (5 pts) Aluminum has one stable isotope, ??Al (i. e., atomic number A = 27, charge Z = 13). 28 Al ? 26 Al,

1. (5 pts) Aluminum has one stable isotope, ??Al (i. e., atomic number A = 27, charge Z = 13). 28 Al ? 26 Al, or (b) 134 What kind of radioactivity do you expect for the decay of: (a) 13A

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