Chemistry (4th Edition)

Published by McGraw-Hill Publishing Company
ISBN 10: 0078021529
ISBN 13: 978-0-07802-152-7

Chapter 6 - Section 6.7 - Atomic Orbitals - Checkpoint - Page 262: 6.7.3

Answer

The orbitals which have higher energy than $3s$ are $4s$ and $4p$.

Work Step by Step

The energy of an orbital of hydrogen or any one-electron system depends only on the principal quantum number $n$ and increases with $n$. $3s$ orbital corresponds to the principal quantum number $n=3$. Hence, the orbitals which have higher energy than $3s$ are $4s$ and $4p$.
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