If the Parent Nucleus Has N Neutrons and Z Protons $\beta$

Multiple Choice

If the parent nucleus has N neutrons and Z protons, after the ejection of a positron (anti-electron) in a $\beta$ decay, the daughter nucleus has respective neutron and proton numbers of

A) N - 1 and Z - 1.
B) N - 1 and Z + 1.
C) N and Z - 2.
D) N + 1 and Z + 1.
E) N + 1 and Z - 1.