Symbol	Si	Atomic radius: pm	118	Fusion: kJ/Mole	50.21
Name	Silicon	Ionic radius: pm	(+4)40	Boiling point: °C	3265
Atomic number	14	Electron affinity	1.39	Melting point: °C	1414
Atomic weight	28.09	1st  ion potential	8.15	Specific Heat Cap: J/(g K)	0.71
Classification	Metalloid	Natural form	Solid	Thermal Cond: W/(cm K)	1.49
Configuration	[Ne]3s2p2	Crystal structure	FCC	Electrical Cond	2.52x10-12
Oxidation states	4	Density	2.33	Abundance: mg/kg-crust	282,000
Electronegativity	1.90	Vaporization: kJ/Mole	383.0
Silicon was first isolated and identified as an element in 1824 by Jöns Jacob Berzelius, a Swedish chemist.			Uses - computer chips, lubricant, glass, semiconductors, concrete, bricks