Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 21 - Nuclear Chemistry - Exercises - Page 947: 21.10b


This isotope has 56 protons and 82 neutrons.

Work Step by Step

The mass number is given, and the atomic number must be found on the periodic table. The number of neutrons is found by simply subtracting the atomic number from the mass number.
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