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Atomic Structure Magnetic Quantum Number

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The magnetic quantum number of the valence electron of sodium, Z = 11, is:

Verified Answer & Explanation⌄

Correct Answer: D) 0

Concept Explanation

Sodium: 1s² 2s² 2p⁶ 3s¹ For an s-electron: ℓ = 0, so mℓ = 0.

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