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 |
|
