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Atomic Structure Quantum Numbers and Electronic Configuration

1

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The fourth electron of Be, Z = 4, can have the quantum numbers:

Verified Answer & Explanation⌄

Correct Answer: C) n = 2, ℓ = 0, mℓ = 0, mₛ = −½

Concept Explanation

Be: 1s² 2s² The fourth electron pairs in the 2s orbital. Therefore: n = 2, ℓ = 0, mℓ = 0, mₛ = −½.

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