Chemistry, 24.04.2021 18:00 kahmir15

Why is most of the mass of an atom in the nucleus? O A. The nucleus contains electrons, neutrons, and protons.
B. The nucleus contains both protons and neutrons.
C. The nucleus contains both protons and electrons.
D. The nucleus contains only neutrons.
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Why is most of the mass of an atom in the nucleus? O A. The nucleus contains electrons, neutrons,...