Silicon
Silicon
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Silicon ΒΆ
AtomicNumber: 14
Element: Silicon
Symbol: Si
AtomicMass: 28.086
NumberofNeutrons: 14
NumberofProtons: 14
NumberofElectrons: 14
Period: 3
Group: 14.0
Phase: solid
Radioactive: nan
Natural: yes
Metal: nan
Nonmetal: nan
Metalloid: yes
Type: Metalloid
AtomicRadius: 1.5
Electronegativity: 1.9
FirstIonization: 8.1517
Density: 2.33
MeltingPoint: 1683.15
BoilingPoint: 3538.0
NumberOfIsotopes: 8.0
Discoverer: Berzelius
Year: 1824.0
SpecificHeat: 0.705
NumberofShells: 3
NumberofValence: 4.0