[Ar] 4s23d7
The electron configuration of cobalt is Ar 3d7 4s2.
The abbreviated electron configuration of lithium is [He] 2s1.
The abbreviated electron configuration for argon is [Ne] 3s^2 3p^6. The [Ne] represents the electron configuration of the noble gas neon, which has the same electron configuration as the inner electrons of argon.
The abbreviated electron configuration of oxygen is [He] 2s^2 2p^4.
The electron configuration of cobalt is [Ar]3d7.4s2.
The electron configuration of cobalt is Ar 3d7 4s2.
The abbreviated electron configuration of sodium is [Ne]3s1.
The abbreviated electron configuration of lithium is [He] 2s1.
Cobalt electron configuration is [Ar]3d7.4s2.Cobalt(2+) electron configuration is [Ar]3d7.
The electron configuration of boron is [He]2s2.2p1.
The abbreviated electron configuration for argon is [Ne] 3s^2 3p^6. The [Ne] represents the electron configuration of the noble gas neon, which has the same electron configuration as the inner electrons of argon.
The abbreviated electron configuration of oxygen is [He] 2s^2 2p^4.
[Kr]
The electron configuration of nobelium is [Rn]5f14.7s2.
The electron configuration of cobalt is [Ar]3d7.4s2.
1s2 2s2 2p63s2 3p6 3d104s2 4p4
The electron configuration of francium is: [Rn]7s1.