Question

1. ____ alpha particles and beta particles differ in a. both mass and charge b. neither mass nor charge c. mass, only d. charge, only

Explanation:

An alpha - particle is a helium nucleus with a mass number of 4 and a charge of + 2. A beta - particle is an electron with a very small mass (negligible compared to an alpha - particle) and a charge of - 1. So they differ in both mass and charge.

Answer:

a. both mass and charge