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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
Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Selecting the Right 3D Printer

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

STEM Career Outlook

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