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 - Topical Questions: 11b

Answer

36 Neutrons

Work Step by Step

From the symbol, we see that it has a mass number of 72, and there are 36 protons. Thus: Number of neutrons = mass number - number of protons = $76-36=36$
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