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Atomic Structure Azimuthal Quantum Number

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The azimuthal quantum number of the last electron of Na, Z = 11, is:

Verified Answer & Explanation⌄

Correct Answer: D) 0

Concept Explanation

Na: 1s² 2s² 2p⁶ 3s¹ The last electron is in an s-orbital. For an s-orbital, ℓ = 0.

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