When an atom undergoes β - decay, its atomic number:

Question

When an atom undergoes β - decay, its atomic number: (A) does not change (B) increases by 1 (C) decreases by 1 (D) increases by 2

Tardigrade Admin · Accepted Answer

β - particles are fast moving electrons, hence when an atom undergoes β - decay its atomic number increases by one and mass number remains unchanged.

Q. When an atom undergoes $β -$ decay, its atomic number: