Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 2 Atoms, Molecules, and Ions - 2-4 Atomic Weights - Review & Check for Section 2-4 - Page 52: 1



Work Step by Step

The atomic weight of copper is 63.546u, which is closer to 63 than 65, so the $^{63}Cu$ isotope is more abundant.
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