Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 5 - Section 5.6 - Nuclear Fission and Fusion - Understanding the Concepts - Page 162: 5.57d

Answer

Missing atom: $^{23}_{12}Mg$ Complete nuclear equation: $^{23m}_{12}Mg--\gt ^{23}_{12}Mg + ^0_0 \gamma$

Work Step by Step

1. Calculate the mass number of the missing atom. - The sum of the mass numbers on the right side must be equal to that on the left side. $23 = ? + 0$ $23 = ?$ 2. Calculate the atomic number of the missing atom. - The sum of the atomic numbers on the right side must be equal to that on the left side. $12 = ? + 0$ $12 = ?$ 3. Identify the symbol of the element with atomic number equal to 12 (Use a periodic table): - It is "Mg". 4. Write the symbol with the atomic and mass numbers, and write the complete nuclear equation: $^{23}_{12}Mg$ $^{23m}_{12}Mg--\gt ^{23}_{12}Mg + ^0_0 \gamma$
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