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: 2.21c

Answer

The neutron is most massive.

Work Step by Step

Neutrons are slightly more massive than protons and much more massive than electrons.
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