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