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Atomic Number 83
Atomic Weight 208.98
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-10-0-2-3
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 9790 kg/m3 Solid  298.15 
Modulus of Elasticity 34.474 GPa Solid  0   
Poisson Ratio 0.33 Solid     
Thermal Expansion Coefficient 1.340 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.068 W-m 273.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 544.55 K   101325 
Boiling Temperature 1837.15 K   101325 
Critical Temperature 4450 K    
Fusion Enthalpy 54.1 J/g 101325 
Vaporization Enthalpy 722.56 J/g 101325 
Heat Capacity 122 J/kg-K 298.149993896 100000 
Thermal Conductivity 7.87 W/m-K 300 101325