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Chemistry, 10.05.2021 23:10 sammi90nicole

PLEASE HELP. What does the atomic number of an element tell us?
A) the number of neutrons in an atom of an element
B) the number of protons in an atom of an element
C) the number of protons, electrons, and neutrons in an element

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PLEASE HELP. What does the atomic number of an element tell us?
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