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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
3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.