Question
Which of the following defines the atomic number of an atom? (1 point)
the number of neutrons
the number of valence electrons
the number of electrons, protons, and neutrons
the number of protons
the number of neutrons
the number of valence electrons
the number of electrons, protons, and neutrons
the number of protons
Answers
Answered by
GPT-4o mini
The atomic number of an atom is defined by **the number of protons**.
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