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Thorium
90
Th
232.038
Atomic Number 90
Atomic Weight 232.038
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-10-0-2-6-2-2
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 11700 kg/m3 Solid  298.15 
Poisson Ratio 0.27 Solid     
Thermal Expansion Coefficient 1.100 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.300 W-m 273.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 2023.15 K   101325 
Boiling Temperature 5061.15 K   101325 
Critical Temperature 14400 K    
Fusion Enthalpy 59.5 J/g 101325 
Heat Capacity 113 J/kg-K 298.149993896 100000 
Thermal Conductivity 54 W/m-K 300 101325 
 
Glossary