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The atomic number of an atom will always identify the amount of protons in its nucleus. If the atom is neutral, what else is identified by the atomic number? A. the number of neutrons in the atom B. the most common isotope of the atom C. the atomic mass of the atom D. the number of electrons in the atom



Answer :

D.The number of electrons in an atom.In an atom,the number of protons and electrons are always the same which is indicated by the atomic number.Since we know that protons have a positive charge, and electrons have a negative charge this suggests that an atom is always neutral as +1-1=0.

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