Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 4 - Atomic Structure - 4.3 Distinguishing Among Atoms - Sample Problem 4.3 - Page 115: 21

Answer

26 neutrons, 28 neutrons, 29 neutrons

Work Step by Step

To find the number of neutrons we subtract the mass of the isotopes from the atomic number of 24. Isotope 1: mass= 50 mass - atomic number 50 - 24 26 neutrons Isotope 2: mass= 52 mass - atomic number 52 - 24 28 neutrons Isotope 3: mass= 53 mass - atomic number 53 - 24 29 neutrons
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