Cobalt ( Z = 27) has seven electrons in anincomplete d subshell (c) What is the

Question

Cobalt (Z = 27) has seven electrons in anincomplete d subshell (c) What is the electron configuration in the ground state ofcobalt? (Use the first space for enteringthe shorthand element of the filled inner shells, then use theremaining for the outer-shell electrons. Ex: for Manganese youwould enter [Ar]3d54s2)

[ 7] 8 910 111213 Cobalt (Z = 27) has seven electrons in anincomplete d subshell (c) What is the electron configuration in the ground state ofcobalt? (Use the first space for enteringthe shorthand element of the filled inner shells, then use theremaining for the outer-shell electrons. Ex: for Manganese youwould enter [Ar]3d54s2)

[ 7] 8 910 111213

Explanation / Answer

The ground state configuration of Cobalt-27 is             = 1s2 2s2 2p6 3s23p6 4s13d8     (or)             = [Ar]4s1 3d8

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