Question

A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of number of neutrons to that of proton in the final nucleus will be

(a) \(\frac{A-Z-4}{Z-2}\)

(b) \(\frac{A-Z-2}{Z-6}\)

(c) \(\frac{A-Z-4}{Z-6}\)

(d) \(\frac{A-Z-12}{Z-4}\)

Answer 1

(b) \(\frac{A-Z-2}{Z-6}\)