Chemistry: An Atoms-Focused Approach

Published by W. W. Norton & Company
ISBN 10: 0393912345
ISBN 13: 978-0-39391-234-0

Chapter 2 - Atoms, Ions, and Molecules - Visual Problems - Page 70: 3


The purple box, which is hydrogen.

Work Step by Step

Hydrogen has one stable isotope that does not have any neutrons at all. This isotope is called protium and is the most common hydrogen isotope.
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