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Tungsten  SEE PERIODIC TABLE
see article  SEE FULL ARTICLE


Atomic Number74

Atomic SymbolW

Atomic Weight183.84 amu

GroupTransition, 6

FormSolid

Density @ STP19.3 g/cm3

Melting Point3422 °C (6191.6 °F, 3695.15 °K)

Boiling Point5555 °C (10031 °F, 5828.15 °K)

Heat of Fusion52.31 kJ/mol

Heat of Vaporization800 kJ/mol

First Ionization Potential7.98 eV

Electronegativity (on Pauling scale1.7

Specific Heat Capacity0.132 J/g K

Ground State Electron Configuration5d4 6s2

Oxidation State(s)+6

Stable Isotopes and Natural Abundance on Earth180W, 0.13%; 182W, 26.3%; 183W, 14.3%; 184W, 30.67%; 186W, 28.6%

Selected Radioisotopes188W

Atomic Radius193 pm

Crystal StructureCubic

Discovered byFausto and Juan Jose de Elhuyer, 1783

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