Lead

Pb Lead Metal

 

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