Class 11 Chemistry Structure of Atom Quantum number, Electronic configuration and Shape of orbitals

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Which electronic configuration must represent an atom in an excited state?

A
$1s^2, 2s^2 2p^1$
B
$1s^2, 2s^2 2p^2$
C
$1s^2, 2s^2 2p^2, 3s^1$
D
$1s^2, 2s^2 2p^5$

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Structure of Atom

Subtopic

Quantum number, Electronic configuration and Shape of orbitals

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