Decide which of the following electron configurations is correct for the species given.
Co3+, [Ar]3d6
Ti+, [Ar]4s23d1
Cr3+, [Ar]3d3
Cu+, [Ar]3d10
V, [Ar]4s23d3
Fe3+, [Ar]3d5
Co3+, [Ar]3d6
Ti+, [Ar]4s23d1
Cr3+, [Ar]3d3
Cu+, [Ar]3d10
V, [Ar]4s23d3
Fe3+, [Ar]3d5