Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 2 - Questions and Problems: 2.42

Answer

The answer is below.

Work Step by Step

In reality, the atomic mass of Gold is 196.97, so the number provided is rounded. Thus, this only suggests that Gold-197 is probably the most abundant isotope. Since the number is rounded, Gold-197 is not the only isotope.
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