A nucleus with mass number A and atomic number Z undergoes $\beta$^- decay. The mass number and atomic number, respectively, of the daughter nucleus are: A) A, Z - 1 B) A - 1, Z C) A + 1, Z - 1 D) A, Z + 1

Question

Quizplus · Accepted Answer

In β⁻ decay, a neutron in the nucleus is converted into a proton, increasing the atomic number (Z) by 1, while the mass number (A) remains unchanged.

A Nucleus with Mass Number a and Atomic Number Z β\betaβ

A Nucleus with Mass Number a and Atomic Number Z $\beta$