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The Electron Configuration of a Cobalt(III) Ion Is

Question 108

Multiple Choice

The electron configuration of a cobalt(III) ion is

A) [Ar]3d⁵.
B) [Ar]4s¹3d⁵.
C) [Ar]4s²3d⁴.
D) [Ar]3d⁶.
E) [Ar]4s²3d⁹.

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