Conceptual Physics (12th Edition)

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

Chapter 11 - Reading Check Questions (Comprehension) - Page 223-224: 28

Answer

Matter has positive mass and is composed of atoms with positively charged protons and negatively charged electrons. Antimatter also has positive mass but is composed of atoms with negatively charged protons and positively charged electrons.

Work Step by Step

This is discussed on page 221.
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