[Ar] 4s23d7
[Ar] 4s2 3d7
[AR] 4s23d7
The element argon (atomic number 18) has the electron configuration 1s22s22p63s23p6 which can be abbreviated [Ne] 3s23p6
no...
[He] 2s one
The electron configuration of cobalt is [Ar]3d7.4s2.
the abbreviated electron configuration of sodium is (Ne) 3s1
abbreviated electron configuration = e.c.
The abbreviated electron configuration of sodium is [Ne]3s1.
Cobalt electron configuration is [Ar]3d7.4s2.Cobalt(2+) electron configuration is [Ar]3d7.
Cobalt(II) electron configuration is [Ar]3d7.
The electron configuration of boron is [He]2s2.2p1.
The element argon (atomic number 18) has the electron configuration 1s22s22p63s23p6 which can be abbreviated [Ne] 3s23p6
no...
[Kr]
The electron configuration of nobelium is [Rn]5f14.7s2.
Cobalt electron configuration is [Ar]3d7.4s2.Nitrogen electron configuration is [He]2s2.2p3.
[He] 2s one
The electron configuration of cobalt is [Ar]3d7.4s2.