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Atomic Structure Quantum Numbers

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For an electron with n = 4 and mℓ = +2, which statement is NOT possible?

Verified Answer & Explanation⌄

Correct Answer: D) ℓ may be 0 or 1

Concept Explanation

Since |mℓ| ≤ ℓ, mℓ = +2 requires: ℓ ≥ 2 For n = 4, ℓ can therefore be 2 or 3, but not 0 or 1.

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