Answer
See explanation below.
Work Step by Step
Because of the percent abundances and the mass of a proton and neutron are not exactly 1 amu, therefore, no atomic masses are whole numbers.
Chemistry: The Molecular Nature of Matter and Change 7th Edition
by Silberberg, Martin; Amateis, Patricia
Published by
McGraw-Hill Education
ISBN 10:
007351117X
ISBN 13:
978-0-07351-117-7
Chapter 2 - Problems - Page 84: 2.38
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