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Niobium
41
Nb
92.9064
Atomic Number 41
Atomic Weight 92.9064
Electron Config. 2-2-6-2-6-10-2-6-4-0-1
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 8570 kg/m3 Solid  298.15 
Poisson Ratio 0.4 Solid     
Thermal Expansion Coefficient 7.300 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.250 W-m 273.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 2750.15 K   101325 
Boiling Temperature 5017.15 K   101325 
Critical Temperature 12500 K    
Fusion Enthalpy 323 J/g 101325 
Heat Capacity 265 J/kg-K 298.149993896 100000 
Thermal Conductivity 53.7 W/m-K 300 101325 
 
Glossary