Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 2 - Atoms, Molecules, and Ions - Review Questions - Page 72: 6


Atomic Number: Number of protons in atom Mass number: Number of nucleons in atom (protons+neutrons) Atomic Mass: Average mass number of isotopes of atom (weighted by natural abundance).

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