General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 20 - Nuclear Chemistry - Questions and Problems - Page 867: 20.16

Answer

Please see the work below.

Work Step by Step

We know that the reason the deuteron $H^{2}_{1}$ has a mass smaller than the sum of masses of its constituents is that when nucleons come in contact to form a nucleus energy is released so the decrease in mass occurs.
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