Problem: What is the electron configuration of the cobalt (II) ion?a. [Ar]4s23d4b. [Ar]3d4c. [Ar]4s23d4d. [Ar]3d7e. [Kr]3d6

Problem Details

What is the electron configuration of the cobalt (II) ion?

a. [Ar]4s23d4

b. [Ar]3d4

c. [Ar]4s23d4

d. [Ar]3d7

e. [Kr]3d6

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