Oxygen electron configuration

O (Oxygen) is an element with position number 8 in the periodic table. Located in the II period. Melting point: -218.4 ℃. Density: 0.00133 g/cm3.
Electronic configuration of the Oxygen atom:
1s2 2s2 2p4

Reduced electronic configuration O:
[He] 2s2 2p4

Below is the electronic diagram of the Oxygen atom
Orbital diagram of the Oxygen atom
Distribution of electrons over energy levels in the O atom
1-st level (K): 2
2-st level (L): 6
Distribution of electrons in the Oxygen

Valence electrons of Oxygen

The number of valence electrons in a Oxygen atom - 6.
Below are their quantum numbers (N - energy, L - angular momentum, M - magnetic moment, S - spin )
OrbitalNLMS
s200+1/2
s200-1/2
p21-1+1/2
p210+1/2
p211+1/2
p21-1-1/2
Oxidation states of Oxygen: -2, -1, +1, +2
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