Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 2 - Chemical Compounds - Questions for Review and Thought - Review Questions: 5b

Answer

Mass number

Work Step by Step

This is the mass of an isotope in atomic mass units, and it is equal to the sum of the number of protons and the number of neutrons.
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