Physical and chemical properties of Lead

Atomic Number:82
Element Symbol:Pb
Element Name:Lead
Atomic Weight:207.2
Group Number:14
Group Name:none
Period Number:6
Block:p-block
Ground State Configuration:[Xe] 4f14 5d10 6s2 6p2
Ground State Level:3P0
Standard State:Solid
Common Valences:2,4
Bond Length:350.0
Atomic Radius Empirical:180
Atomic Radius Calculated:154
Covalent Radius Empirical:147
Vander Waals Radius:202
Electron Affinity:35.1
First Ionization Energy:715.6
Pauling Electronegativity:2.33
Sanderson Electronegativity:2.29
Allred Rochow Electronegativity:1.55
Mulliken Jaffe Electronegativity:2.41
Density Of Solid:11340
Molar Volume:18.26
Velocity Of Sound:1260
Youngs Modulus:16
Rigidity Modulus:5.6
Bulk Modulus:46
Poissons Ratio:0.44
Mineral Hardness:1.5
Brinell Hardness:38.3
Electrical Resistivity:21
Melting Point:327.46
Boiling Point:1749
Superconduction Temperature:-265.9
Thermal Conductivity:35
Coefficient Of Linear Expansion:28.9
Enthalpy Of Fusion:4.77
Enthalpy Of Vaporization:178
Enthalpy Of Atmization:195
Most Common Oxidation Numbers:4,2
Color:Bluish white
Classification:Metallic
Discovered By:Known since ancient times
Discovered At:not known
Origin Of Name:From the Anglo-Saxon word lead; Latin, plumbum (the origin of the symbol Pb is the Latin word plumbum meaning liquid silver

Calculate the molecular weight of Lead or molecular weight Pb.

Also see the full list of chemical elements and atomic weights.




Compounds that contain Lead