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Properties of WO2

Properties of WO2 (Tungsten(IV) oxide):

Compound NameTungsten(IV) oxide
Chemical FormulaWO2
Molar Mass215.8388 g/mol

Chemical structure
WO2 (Tungsten(IV) oxide) - Chemical structure
Lewis structure
3D molecular structure
Physical properties
AppearanceBronze solid
Solubilitynegligible
Density10.8000 g/cm³
Helium 0.0001786
Iridium 22.562
Melting1,474.00 °C
Helium -270.973
Hafnium carbide 3958

Alternative Names

Tungsten dioxide

Elemental composition of WO2
ElementSymbolAtomic weightAtomsMass percent
TungstenW183.84185.1747
OxygenO15.9994214.8253
Mass Percent CompositionAtomic Percent Composition
W: 85.17%O: 14.83%
W Tungsten (85.17%)
O Oxygen (14.83%)
W: 33.33%O: 66.67%
W Tungsten (33.33%)
O Oxygen (66.67%)
Mass Percent Composition
W: 85.17%O: 14.83%
W Tungsten (85.17%)
O Oxygen (14.83%)
Atomic Percent Composition
W: 33.33%O: 66.67%
W Tungsten (33.33%)
O Oxygen (66.67%)
Identifiers
CAS Number12036-22-5
SMILESO=[W]=O
Hill formulaO2W

Related compounds
FormulaCompound name
WO3Tungsten(VI) oxide
W2O3Tungsten(III) oxide

Sample reactions for WO2
EquationReaction type
WO2 + H2 = W + H2Osingle replacement

Related
Molecular weight calculator
Oxidation state calculator

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