Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 4 - Atoms and Elements - Exercises - Questions - Page 119: 8


The atomic number of an element symbolizes how many protons the element has.

Work Step by Step

While the number of neutrons and electrons can vary depending on isotopes or ions, the number of protons is the same for every atom of an element. The number of protons defines an element.
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