Question

1. an alpha particle is not a neutral atom. it has a charge of +2. why is this the case?

Explanation:

An alpha - particle consists of 2 protons and 2 neutrons. Protons have a charge of + 1 each, and neutrons are neutral. So, the total charge from 2 protons gives it a charge of + 2.

Answer:

An alpha - particle has 2 protons and 2 neutrons. Since protons have a charge of + 1 each and neutrons are neutral, the charge of an alpha - particle is + 2.