What is the ground state electron configuration for Co3+? [Ar] 3d6 [Ne] 3d4 4s2 [Ar] 3d3 4s2 4p1 [Ar] 3d5 4s1 [Ar] 3d4 4s2
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Cobalt has an atomic number of 27, so it has 27 electrons. The electron configuration is: [Ar] 3d7 4s2. Show more…
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