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: 5.58d

Answer

Missing atom: $^{243}_{97}Bk$ Complete equation: $^4_2He + ^{241}_{95}Am --\gt ^{243}_{97}Bk + 2_0^1n$

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. $4 + 241 = ? + (2*1)$ $245 = ? + 2$ $245 - 2 = ?$ $243 = ?$ 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. $2 + 95 = ? + 0$ $97 = ?$ 3. Identify the symbol of the element with atomic number equal to 97 (Use a periodic table): - It is "Bk". 4. Write the symbol with the atomic and mass numbers, and write the complete nuclear equation: $^{243}_{97}Bk$ $^4_2He + ^{241}_{95}Am --\gt ^{243}_{97}Bk + 2_0^1n$
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