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Argon
18
Ar
39.948
Atomic Number 18
Atomic Weight 39.948
Electron Config. 2-2-6-2-6
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 1.784 kg/m3 Gas  293.15  101325 
Density 1396 kg/m3 Liquid  87.293  101325 

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 83.8 K   101325 
Boiling Temperature 87.3 K   101325 
Critical Temperature 150.87 K    
Fusion Enthalpy 30 J/g 101325 
Vaporization Enthalpy 160.96 J/g 101325 
Heat Capacity 520 J/kg-K 298.149993896 100000 
 
Glossary
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.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Selecting the Right 3D Printer

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