Chemistry: A Molecular Approach (3rd Edition)

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

Chapter 7 - Sections 7.1-7.6 - Exercises - Problems by Topic: 57


The answer is 2s.

Work Step by Step

The n number is the number of the orbital, 1 being the closest then 2 then 3. That makes the 2s orbital closer to the nucleus than the 3s orbital.
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