Silicon
Atomic number:
14
Atomic weight:
28.0855
Shells:
2,8,4
Orbitals:
[Ne] 3s2 3p2
Melting point:
1410°C
Boiling point:
3265°C
Covalent radius:
1.11
Å
Atomic volume:
12.1
cm³/mol
Atomic radius:
1.46
Å
Ionic radius:
.26 (+4)
Å
Electronegativity:
1.80
Oxidation states:
2,(4),-4
1st ionization pot.:
8.1517
V
2nd ionization pot.:
16.345
V
3rd ionization pot.:
33.492
V
Specific heat:
0.71
J/gK
Heat of fusion:
50.550
kJ/mol
Heat of vapor.:
384.220
kJ/mol
Thermal conduct.:
1.48
W/cmK
Electrical conduct.:
2.52e-12
10^6/cm ohm
Density:
2.33
g/cm³
Valence:
4
