eFunda: General Information on Element Gallium
engineering fundamentals Element Information: Gallium
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Gallium
31
Ga
69.723
Atomic Number 31
Atomic Weight 69.723
Electron Config. 2-2-6-2-6-10-2-1
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 5910 kg/m3 Solid  298.15 
Thermal Expansion Coefficient 1.800 /K Solid  273.15-303.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.740 W-m  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 302.91 K   101325 
Boiling Temperature 2477.15 K   101325 
Critical Temperature 7125 K    
Fusion Enthalpy 80.2 J/g 101325 
Vaporization Enthalpy 3642.99 J/g 101325 
Heat Capacity 371 J/kg-K 298.149993896 100000 
Thermal Conductivity 40.6 W/m-K 300 101325 

 
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