College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 29 - The Nucleus - Learning Path Questions and Exercises - Multiple Choice Questions - Page 995: 4

Answer

(c) 13

Work Step by Step

Atomic number of Mg= 12 Mass number of Mg= 25 (given) Number of neutrons= Mass number-Atomic number = 25-12= 13.
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