Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 19 - Sections 19.1-19.12 - Exercises - Problems by Topic - Page 946: 42d

Answer

Positron emission

Work Step by Step

Atomic Number = 56, Protons = 56 Fro Ba-123, Atomic Mas = 123, Neutrons = 123-56 = 67 N/Z = 67/56 = 1.19 The value is below the valley of stability. Most likely mode of decay to attain stable configuration will be positron emission
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