Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 34 - Reading Check Questions (Comprehension): 26

Answer

A helium atom has less mass than the sum of the 2 hydrogen nuclei that fused to form it. The "missing mass" was converted into the energy released by the fusion reaction.

Work Step by Step

This is discussed on page 649.
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