The periodic Table
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by Peder Axensten

Si


in WebElements
in X-Ray info 		Si, 14
silicon (English)
silicium, m. (French)
Silicium, n. (German)
kremnij (Russian)
kisel (Swedish)

Symbol, numberSi, 14 (semiconductor), Group: 14; 4A
Weight28.0855
In Nature
Discovered1824, by Johan Berzelius (Sweden)
Density  [kg/m3]2329 [293 K] (solid)   2525 [1683 K] (liquid)   
Molar volume12.06 cm3
Melting Temperature1683 K   (1410 °C)   Enthalpy: 383.3 kJ/mol
Boiling Temperature2628 K   (2355 °C)   Enthalpy: 39.6 kJ/mol
Electrical resistance0.001 [273 K] Wm
ThermalConductivity: 148 [300 K] W/Km     Expansion: 4.2E-6 /K
Configuration1s2 2s2p6 3s2p2
Ionisation [kJ/mol]
  M-->  M+--> M2+--> M3+--> M4+--> M5+--> M6+--> M7+--> M8+--> M9+-->M10+
Thermodynamics
State DfH° DfG° S° CpH H°298.15-H°0
[kJ/mol] [J/Kmol] [kJ/mol]
Isotopes
Mass In nature Half-life Spin m/mN NMM Decay
Si