Which of the following is the electron configuration of the iron(III) ion A) [Ar]3d⁵ B) [Ar]4s¹3d⁵ C) [Ar]4s²3d³ D) [Ar]3d⁶ E) [Ar]4s²3d⁹

Name: Which of the following is the electron configuration of the iron(III) ion A) [Ar]3d 5 B) [Ar]4s 1 3d 5 C) [Ar]4s 2 3d 3 D) [Ar]3d 6 E) [Ar]4s 2 3d 9
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The iron(III) ion (Fe³⁺) is formed by removing three electrons from the neutral iron atom, which has the configuration [Ar]4s²3d⁶. Removing three electrons results in [Ar]3d⁵.

Which of the Following Is the Electron Configuration of the Iron(III)