which subatomic particles contribute the most to the mass of an atom? electrons only protons and electrons…

which subatomic particles contribute the most to the mass of an atom? electrons only protons and electrons neutrons and electrons protons and neutrons
Answer
Brief Explanations:
Protons and neutrons are located in the nucleus of an atom and have relatively large masses compared to electrons. Electrons have a very small mass and contribute negligibly to the overall mass of an atom. So, protons and neutrons contribute the most to the mass of an atom.
Answer:
Protons and neutrons