Answer
$_{88}^{226}Ra → _{2}^{4}He + _{86}^{222}Rn$
Work Step by Step
Ra-226 decays to Rn-222 by emitting an alpha particle.
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 18 - Nuclear Chemistry - Questions for Review and Thought - Topical Questions - Page 817b: 22c
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