Conceptual Physics (12th Edition)

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

Chapter 34 - Reading Check Questions (Comprehension): 23

Answer

The mass per nucleon is lower in fission fragments, compared to the original, larger fissionable uranium atom.

Work Step by Step

The "missing mass" was converted into energy. This is discussed on page 648, and shown in Figure 34.17.
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