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Tungsten
Electron Configuration 2,8,18,32,12,2
Electron Configuration [Xe]] 4f14 5d4 6s2
Electronegativity 2.36
Enthalpy of Fusion 35.2 kJ mol-1
Enthalpy of Vaporisation 824.2 kJ mol-1
Heat Capacity 24.27 J mol-1 K-1
Thermal Conductivity 173 W m-1 K-1
Thermal Expansion 4.5 μm m-1 K-1
Magnetic ordering No data
Electrical resistivity 52.8 Ω m
Speed of sound 4620 m s-1
Young's modulus 411 GPa
Shear modulus 4620 GPa
Bulk modulus 310 GPa
Poisson ratio 0.28
Mohs hardness 7.5
Vickers hardness 3430 MPa
Brinell hardness 2570 MPa
Atomic Radii
Atomic Radius 135 pm
Bohr Radius 193 pm
Covalent Radius 146 pm
Van der Waals 0 pm
Oxidation States
Main W-4, W-2, W-1, W0, W+2, W+3, W+4, W+5, W+6
Other
Ionisation Energies (kJ mol-1) show graph
M - M+ 770
M+ - M2+ 1700
M2+ - M3+ 2300
M3+ - M4+ 3400
M4+ - M5+ 4600
M5+ - M6+ 5900
Covalent Bonds (kJ mol-1)