Question

A nucleus with mass number Aand atomic number Zundergoes ï¢ï€ +decay. The mass number and atomic number, respectively, of the daughter nucleus are:
A) A" 1, Z" 1
B) A" 1, Z+ 1
C) A+ 1, Z" 1
D) A, Z+ 1
E) A, Z" 1

Answer

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