When a beta particle is ejected from a nucleus, the nucleus then has a greater
A) charge.
B) mass.
C) both of these
D) neither of these

Question

Quizplus · Accepted Answer

When a beta particle (which is essentially an electron) is ejected from a nucleus, the charge of the nucleus increases because a neutron in the nucleus has transformed into a proton and an electron (the beta particle), thus increasing the positive charge by one unit. The mass remains nearly the same because the mass of an electron is negligible compared to the mass of a neutron or proton.

When a Beta Particle Is Ejected from a Nucleus, the Nucleus