Silicon
Elemental State Si
Electron Configuration 1s22s22p63s23p2
First Ionization Potential 8.152 eV
Electron Affinity 1.385 eV
Z* 4.285 (Clementi-Raimondi)
Pauling Electronegativity 1.90
Covalent Radius 1.17 Å
Metallic Radius  
Ionic Radius 0.40 Å Si4+ coordination number = 4

0.540 Å Si4+ coordination number = 6

van der Waal's Radius 2.10 Å
Melting Point 1414 oC
Boiling Point 3265 oC
Density 2.33 g/cm3
Other Properties