Chemistry: An Atoms-Focused Approach

Published by W. W. Norton & Company
ISBN 10: 0393912345
ISBN 13: 978-0-39391-234-0

Chapter 2 - Atoms, Ions, and Molecules - Questions and Problems - Page 71: 18

Answer

The mass number is the number of protons and neutrons in the nucleus of a nuclide. The atomic number is the number of protons in the nucleus of a nuclide.

Work Step by Step

The mass number is the number of protons and neutrons in the nucleus of a nuclide. The atomic number is the number of protons in the nucleus of a nuclide.
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