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14Si

Silicon

규소 · ケイ素

Metalloid

Atomic number14
ElementSiSilicon
Atomic mass28.085
CategoryMetalloid
Group14
Period3
Electron config[Ne] 3s2 3p2
Shells2,8,4
State (RT)Solid
Melting pt1414°C
Boiling pt3265°C
Electronegativity1.9
Discovered1824
Main usesSemiconductors, glass, solar cells
Si14
2 · 8 · 4
Bohr model

Group 14