HARDMCQ SINGLENEET ChemistryInorganic ChemistryPeriodic PropertiesAchiever Section

Which of the following represents an excited state of an atom?

A.[Ne] 3s2 3p6 4s2 3d8

B.[Ne] 3s2 3p6 4s1 3d5

C.[Ne] 3s2 3p6 4s2 3d1

D.1s2 2s2 2p5 3s1✓ Correct

Explanation

Option (d) represents the excited state electronic configuration of He.

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