Question

A nucleus of atomic mass A and atomic number Z emits $M_{1}$particles. The atomic mass and atomic number of the resulting nucleus are.

• A. A, Z
• B. A + 1, Z
• C. A, Z + 1
• D. $A - 4,\mspace{6mu} Z - 2$

Answer 1

Answer: (C)

A, Z + 1

Answer 2

$ZX^{A}{\overset{\quad - 1\beta^{0}\quad}{\rightarrow}}_{Z + 1}X^{A}$