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chemhelperAZ

Answer:

Protons+ Neutrons=Atomic weight

Explanation:

Of the three subatomic particles, only protons and neutrons have mass. Electrons orbit the nucleus and their mass is negligible.

Answer:

C. Protons + Neutrons = Atomic weight

Explanation:

The total weight of an atom is called the atomic weight. It is approximately equal to the number of protons and neutrons, with a little extra added by the electrons.

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