(a) For an He+ ion, do the 2s and 2p orbitals have the sameenergy? If not, which orbital has a lower energy? (b) If weadd one electron to form the He atom, would your answer topart (a) change?

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter5: Electron Configurations And The Periodic Table
Section: Chapter Questions
Problem 46QRT
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(a) For an He+ ion, do the 2s and 2p orbitals have the same
energy? If not, which orbital has a lower energy? (b) If we
add one electron to form the He atom, would your answer to
part (a) change?

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