Chemistry: A Molecular Approach (3rd Edition)

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

Chapter 2 - Sections 2.1-2.9 - Exercises - Problems by Topic - Page 80: 56

Answer

92 protons, 143 neutrons. Symbol is $^{235}_{92}U$

Work Step by Step

Mass number of Uranium-235 isotope = 235 Atomic number of Uranium = 92 = number of protons Number of neutrons = Mass number - Atomic number = 235 - 92 = 143 Isotopic symbol = $^{235}_{92}U$
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