Which of these choices 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 these choices 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 electron configuration of iron(III) ion is [Ar]3d⁵ because it has lost three electrons from its neutral state.

Which of These Choices Is the Electron Configuration of the Iron(III)