Answer
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.
Chemistry: An Atoms-Focused Approach
by Gilbert, Thomas R.; Kirss, Rein V.; Foster, Natalie
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
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
