Scandium electron configuration

Sc (Scandium) is an element with position number 21 in the periodic table. Located in the IV period. Melting point: 1539 ℃. Density: 2.99 g/cm3.
Electronic configuration of the Scandium atom in ascending order of orbital energies:
1s2 2s2 2p6 3s2 3p6 4s2 3d1

Electronic configuration of the Scandium atom in ascending order of the levels:
1s2 2s2 2p6 3s2 3p6 3d1 4s2

Reduced electronic configuration Sc:
[Ar] 3d1 4s2

Below is the electronic diagram of the Scandium atom
Orbital diagram of the Scandium atom
Distribution of electrons over energy levels in the Sc atom
1-st level (K): 2
2-st level (L): 8
3-st level (M): 9
4-st level (N): 2
Distribution of electrons in the Scandium

Valence electrons of Scandium

The number of valence electrons in a Scandium atom - 3.
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
Oxidation states of Scandium: +1, +2, +3
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