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Atomic Structure Exceptional Electronic Configuration

1

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Which is NOT the ground-state electronic configuration of the corresponding neutral atom?

Verified Answer & Explanation⌄

Correct Answer: A) Cr: [Ar] 3d⁴ 4s²

Concept Explanation

The actual ground-state configuration of Cr is: [Ar] 3d⁵ 4s¹ because the half-filled 3d subshell has extra stability.

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