A nucleus is represented by:
A is the mass number, Z is the proton number.
A nucleus undergoing alpha decay has its proton number decreased by 2 and the mass number decreased by 4.
In each of the parts of this question, a nucleus undergoes a nuclear decay. Determine the resulting nucleus in each case.
22789 Ac undergoes alpha decay. Determine the resulting nucleus.
21183 Bi undergoes beta-minus decay. Determine the resulting nucleus.
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