Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 7 - Exercises: 57

Answer

2s

Work Step by Step

Here we need to compare the distance of nucleus from n = 2 or n=3. Since smaller value of n means that it is closer to the nucleus, an electron in orbital 2 will be closer to the nucleus as compared to an electron in orbital 3.
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