Answer
Choice B. Energy is released.
Work Step by Step
For spontaneous radioactive decay reactions, $Q \gt 0$. If this were not so, energy would have to be added to make the reaction happen.
Physics: Principles with Applications (7th Edition)
by Giancoli, Douglas C.
Published by
Pearson
ISBN 10:
0-32162-592-7
ISBN 13:
978-0-32162-592-2
Chapter 31 - Nuclear Energy; Effects and Uses of Radiation - Questions - Page 909: 4
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