Introductory Chemistry (5th Edition)

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

Chapter 4 - Atoms and Elements - Exercises - Questions: 24

Answer

The mass number of an isotope is the sum of its protons and neutrons.

Work Step by Step

Every isotope of a substance will have a different mass number but the same atomic number.
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