Answer
There is no 2d energy level.
Work Step by Step
There is no 2d energy level. Thus, the student is incorrect, for such an energy level change is not even possible.
Chemistry: The Molecular Science (5th Edition)
by Moore, John W.; Stanitski, Conrad L.
Published by
Cengage Learning
ISBN 10:
1285199049
ISBN 13:
978-1-28519-904-7
Chapter 5 - Electron Configurations and the Periodic Table - Questions for Review and Thought - Topical Questions - Page 240e: 113
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