Electron configuration for Silicon (element 14). Orbital diagram

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Si (Silicon) is an element with position number 14 in the periodic table. Located in the III period. Melting point: 1410 ℃. Density: 2.33 g/cm³.

Electronic configuration of the Silicon atom:
1s² 2s² 2p⁶ 3s² 3p²

Reduced electronic configuration Si:
[Ne] 3s² 3p²

Below is the electronic diagram of the Silicon atom

Distribution of electrons over energy levels in the Si atom
1-st level (K): 2
2-st level (L): 8
3-st level (M): 4

Distribution of electrons in the Silicon

Valence electrons of Silicon

The number of valence electrons in a Silicon atom - 4.
Below are their quantum numbers (N - energy, L - angular momentum, M - magnetic moment, S - spin )

Orbital	N	L	M	S
s	3	0	0	+1/2
s	3	0	0	-1/2
p	3	1	-1	+1/2
p	3	1	0	+1/2

Oxidation states of Silicon: -4, -3, -2, -1, +1, +2, +3, +4

Other elements

Electronic configurations of other elements

Aluminum (Al) electron configuration
Phosphorus (P) electron configuration
Electronic configuration table

Silicon electron configuration

Valence electrons of Silicon

Electronic configurations of other elements