Cobalt electron configuration

Co (Cobalt) is an element with position number 27 in the periodic table. Located in the IV period. Melting point: 1495 ℃. Density: 8.89 g/cm3.
Electronic configuration of the Cobalt atom in ascending order of orbital energies:
1s2 2s2 2p6 3s2 3p6 4s2 3d7

Electronic configuration of the Cobalt atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d7 4s2

Reduced electronic configuration Co:
[Ar] 3d7 4s2

Below is the electronic diagram of the Cobalt atom
Orbital diagram of the Cobalt atom
Distribution of electrons over energy levels in the Co atom
1-st level (K): 2
2-st level (L): 8
3-st level (M): 15
4-st level (N): 2
Distribution of electrons in the Cobalt

Valence electrons of Cobalt

The number of valence electrons in a Cobalt atom - 9.
Below are their quantum numbers (N - energy, L - angular momentum, M - magnetic moment, S - spin )
OrbitalNLMS
s400+1/2
s400-1/2
d32-2+1/2
d32-1+1/2
d320+1/2
d321+1/2
d322+1/2
d32-2-1/2
d32-1-1/2
Oxidation states of Cobalt: +1, +2, +3, +4, +5
Other elements
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