Question

which statement best describes the process of alpha decay? (1 point) an unstable nucleus releases a particle containing two protons and two neutrons. an unstable nucleus releases a single positively charged particle. an unstable nucleus rearranges its particles and releases energy. an unstable nucleus releases an electron

Explanation:

In alpha - decay, an unstable nucleus emits an alpha - particle. An alpha - particle consists of two protons and two neutrons.

Answer:

An unstable nucleus releases a particle containing two protons and two neutrons.