In an atom, the atomic number of an atom is equal to the number of _____.

Nucleons

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Protons

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Electrons

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Neutrons

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Solution

The correct options are
B Protons
C Electrons
In an atom, atomic number is the number of protons inside the nucleus. Also, the number of electrons is equal to number of proton.
Therefore, atomic number is equal to number of protons or number of electrons.

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