Silicon Properties 1.1

General
Name, symbol, number
silicon, Si, 14
Element category
metalloids
Group, period, block
14, 3, p
Appearance
crystalline, reflective
bluish-tinged faces
Standard atomic weight
28.0855(3) g·mol−1
Electron configuration
[Ne] 3s2 3p2
Electrons per shell
2, 8, 4
Physical properties
Phase
solid
Density (near r.t.)
2.3290 g·cm−3
Liquid density at m.p.
2.57 g·cm−3
Melting point
1687 K(1414 °C, 2577 °F)
Boiling point
3538 K(3265 °C, 5909 °F)
Heat of fusion
50.21 kJ·mol−1
Heat of vaporization
359 kJ·mol−1
Specific heat capacity
(25 °C) 19.789 J·mol−1·K−