Answer
The atomic number refers to the number of protons in the nucleus of an atom.
Work Step by Step
While, the atomic mass refers to the sum of the protons and neutrons which give the mass of the atom.
Chemistry: Molecular Approach (4th Edition)
by Tro, Nivaldo J.
Published by
Pearson
ISBN 10:
0134112830
ISBN 13:
978-0-13411-283-1
Chapter 2 - Exercises - Page 77: 15
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