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Silicon

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Silicon
Silicon
Identification
Symbol
Si
Block
P-Block
Group
14
Period
3
Atomic Information
Atomic Number
14
Atomic Radius
111 pm
Mass
28.085 Ar
Category
Metalloid
Standard state(298 K)
Solid
Electronic Configuration
[Ne] 3s2 3p2
Electronegativity (Pauling)
1.90
133.6 kJ/mol
First ionisation energy
786.5 kJ/mol
Physical Properties
Color
Gray
Melting Point
1414oC
Boiling Point
3265oC
Density of solid
2.33g/cm3
Unknown
Heat Properties
Enthalpy of fusion
39.6 kJ/mol
Enthalpy of atomisation
456 kJ/mol
Enthalpy of vaporisation
359 kJ/mol

Silicon is the fourteenth element in the periodic table according to its atomic number 14.

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