The atomic number of an atom is defined as the number of protons in the nucleus of that atom. Therefore, the correct response is the number of protons.
Which of the following defines the atomic number of an atom?(1 point) Responses the number of valence electrons the number of valence electrons the number of protons the number of protons the number of electrons, protons, and neutrons the number of electrons, protons, and neutrons the number of neutrons
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