A. Neutrons and electrons B. Protons and electrons C. Electrons in energy levels D. Protons and neutrons

asked Oct 19, 2022 151k views

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A. Neutrons and electrons

B. Protons and electrons
C. Electrons in energy levels
D. Protons and neutrons

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Answer:

Step-by-step explanation:

Because protons and neutrons make up the mass of an atom.

Lilliam answered Oct 25, 2022

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