Question

1. choose all that apply. which two types of particles sit tightly together in the nucleus at the center of an atom? magnetrons protons neutrons electrons

Explanation:

In an atom, the nucleus is at the center. Protons, which are positively - charged, and neutrons, which are neutral, are tightly packed in the nucleus. Electrons orbit around the nucleus, and magnetrons are not sub - atomic particles in the nucleus.

Answer:

B. protons, C. neutrons