Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 2 - Self-Assessment Quiz - Page 75: Q5


The answer is (c)

Work Step by Step

We know that the atomic number of iron (Fe) is 26. Hence, there are 26 protons in iron. Also, the atomic mass of the given isotope = 58. We know, atomic mass = atomic number + no. of neutrons So, no. of neutrons = atomic mass - atomic number = 58-26 = 32.
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