1s2 2s2 2p6 3s2 3p6 3d7 4s2
Alternatively,
[Ar] 3d7 4s2
Co is cobalt and is not a noble gas. Cobalt is a transition metal. Its electron configuration is [Ar]3d74s2.
The noble gas configuration for Cobalt (Co) is [Ar] 3d7 4s2.
The element with this electron configuration is manganese (Mn), which has 25 electrons.
Cobalt electron configuration is [Ar]3d7.4s2.Cobalt(2+) electron configuration is [Ar]3d7.
[Ar] 4s2 3d7
[Ar] 4s2 3d7
[Ar] 4s2 3d7
The noble gas configuration for cobalt (Co) is [Ar] 3d7 4s2, where [Ar] represents the electron configuration of argon. This notation indicates that cobalt has the same electron configuration as argon, with an additional 3d7 4s2 electron configuration specific to cobalt.
The electron configuration for the +2 cation of cobalt (Co) is [Ar] 3d7. This is because cobalt has an atomic number of 27, which means its neutral configuration is 1s2 2s2 2p6 3s2 3p6 4s2 3d7. When it forms a +2 cation, it loses two electrons from its 4s subshell, resulting in the configuration [Ar] 3d7.
Cobalt electron configuration is [Ar]3d7.4s2.Nitrogen electron configuration is [He]2s2.2p3.
The element with Ar4s2 3d9 electron configuration is cobalt (Co).
Cu+3 reported formally in 2007. Cu 1 e's in 4S and 10 e's in 3D Cu+3 0 e's in 4S and 8 e's in 3D LFSE suggets the existence of Cu+3.