Which of the following defines the atomic number of an atom?(1 point)%0D%0AResponses%0D%0A%0D%0Athe number of neutrons%0D%0Athe number of neutrons%0D%0A%0D%0Athe number of protons%0D%0Athe number of protons%0D%0A%0D%0Athe number of valence electrons%0D%0Athe number of valence electrons%0D%0A%0D%0Athe number of electrons, protons, and neutrons

Answer 1

The atomic number of an atom is defined as the number of protons.