eFunda: General Information on Element Barium
engineering fundamentals Element Information: Barium
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Barium
56
Ba
137.327
Atomic Number 56
Atomic Weight 137.327
Electron Config. 2-2-6-2-6-10-2-6-10-0-2-6-0-0-2
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 3620 kg/m3 Solid  298.15 
Thermal Expansion Coefficient 2.060 /K Solid  298.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 1000.15 K   101325 
Boiling Temperature 2170.15 K   101325 
Critical Temperature 4450 K    
Fusion Enthalpy 52 J/g 101325 
Vaporization Enthalpy 1019.46 J/g 101325 
Heat Capacity 204 J/kg-K 298.149993896 100000 
Thermal Conductivity 18.4 W/m-K 300 101325 

 
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