Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 2 - Sections 2.1-2.9 - Exercises - Review Questions: 14

Answer

The number of protons in an atom's nucleus

Work Step by Step

An element is defined by the number of protons in its nucleus. Each element has a distinct number of protons in its nucleus.
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