What does the electronic configuration 1s^2,2s^2,2p^5,3s^1 indicate? **[Guj CET 2010]**

JEE Main Chemistry question

What does the electronic configuration indicate? **[Guj CET 2010]**

Answer: (C)

This configuration totals electrons, matching neon (Z=10), not fluorine (Z=9, 9 electrons). Neon's

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Question ID VK-132316