Which electronic configuration must represent an atom in an excited state? | Periodic Table and Periodicity — Chem-Mantra

Periodic Table and PeriodicityeasyMCQ SINGLE

Question

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

Answer: C

💡 Solution & Explanation

1s2 2s2 2p2 3s1 (Excited state)

💬

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