Lead
Atomic number: |
82 |
|
Atomic weight: |
207.2 |
|
Shells: |
2,8,18,32,18,4 |
|
Orbitals: |
[Xe] 4f14 5d10 6s2 6p2 |
|
Melting point: |
327.502°C |
|
Boiling point: |
1740°C |
|
Covalent radius: |
1.47 |
Å |
Atomic volume: |
18.17 |
cm³/mol |
Atomic radius: |
1.81 |
Å |
Ionic radius: |
1.19 (+2) |
Å |
Electronegativity: |
2.33 |
|
Oxidation states: |
4,(2) |
|
1st ionization pot.: |
7.4167 |
V |
2nd ionization pot.: |
15.028 |
V |
3rd ionization pot.: |
31.943 |
V |
Specific heat: |
0.13 |
J/gK |
Heat of fusion: |
4.799 |
kJ/mol |
Heat of vapor.: |
177.70 |
kJ/mol |
Thermal conduct.: |
0.353 |
W/cmK |
Electrical conduct.: |
0.0481 |
10^6/cm ohm |
Density: |
11.34 |
g/cm³ |
Valence: |
2,4 |
|