Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 2 - Atoms, Molecules, and Ions - Questions & Problems - Page 70: 2.65

Answer

Please see the work below.

Work Step by Step

We know that uranium is a radioactive element and its nucleus is unstable due to this fact it loses neutrons and that's why loses the mass as well.
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