Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 2 - Atoms, Molecules, and Ions - Exercises - Page 75: 2.25a

Answer

Atomic number is the number of protons in an atom. The mass number is the number of (protons + neutrons) in an atom.

Work Step by Step

Atomic number is the number of protons in an atom. The mass number is the number of (protons + neutrons) in an atom.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.