Chemistry: Atoms First (2nd Edition)

by Zumdahl, Steven S.; Zumdahl, Susan A.

Published by Cengage Learning

ISBN 10: 1305079248

ISBN 13: 978-1-30507-924-3

Chapter 1 - Review Questions - Page 51: 8

Answer

See explanation

Work Step by Step

Atomic number is the number of protons in an atom whereas mass number of atom is the number of proton + number of electron. The atomic mass is the average of the mass number across all isotopes of the element.

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