Sg-a-level-h1-chemistry Practice Questions - Sg-a-level-h1-chemistry Exam

What is the ground state electronic configuration of the Fe³⁺ ion (Z = 26)?

[Ar] 3d⁵ [Ar] 3d³ 4s² [Ar] 3d⁶ [Ar] 3d⁴ 4s¹

[Ar] 3d⁵

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