The atomic number of an atom equals the number of ______ and the atomic weight equals the ____.

Chemistry In Focus
7th Edition
ISBN:9781337399692
Author:Tro, Nivaldo J.
Publisher:Tro, Nivaldo J.
Chapter3: Atoms And Elements
Section: Chapter Questions
Problem 20E
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The atomic number of an atom equals the number of ______ and the atomic weight equals the ____.
Group of answer choices
A neutrons; number of protons
B protons; weight of all the electrons
C neutrons; number of protons plus electrons
D protons; number of protons plus neutrons
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