an atomic nucleus is composed of\na protons.\nb protons and neutrons.\nc protons and electrons.\nd protons…
an atomic nucleus is composed of\na protons.\nb protons and neutrons.\nc protons and electrons.\nd protons, neutrons, and electrons.
Answer
Brief Explanations:
Atomic nuclei are made up of protons and neutrons. Electrons orbit around the nucleus.
Answer:
B. protons and neutrons.