multiple choice question\nwhich subatomic particle does not contribute significantly to the mass of an…
multiple choice question\nwhich subatomic particle does not contribute significantly to the mass of an atom?\nproton\nelectron\nneutron
Answer
Brief Explanations:
Protons and neutrons are found in the nucleus and have relatively large masses. Electrons are outside the nucleus and have a much - smaller mass compared to protons and neutrons, so they do not significantly contribute to the mass of an atom.
Answer:
B. Electron