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The number of protons in the nucleus of an atom is its atomic:
ANuance
BNumber
CNucleus
DNotation
Answer & Solution
Correct answer: B. Number
1. Neutrons and electrons may vary.
2. The proton count does not.
3. That count is the atomic number.
_Source: OpenStax Chemistry 2e, Chapter 2, Atoms, Molecules, and Ions._
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