Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 11 - Think and Explain: 46


An atom is copper if and only if it has 29 protons (see the periodic table). The mass number is the total number of protons and neutrons, so this is Cu-63.

Work Step by Step

Answers may be found in the periodic table on page 216.
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