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74W183.841
Tungsten
Transition MetalTungsten, also known as wolfram, is a chemical element with symbol W and atomic number 74. The word tungsten comes from the Swedish language tung sten, which directly translates to heavy stone. Its name in Swedish is volfram, however, in order to distinguish it from scheelite, which in Swedish is alternatively named tungsten.
Phase: SolidAppearance: grayish white, lustrous
2, 8, 18, 32, 12, 2
Physical Properties
Atomic Mass183.841 u
Density19.25 g/cm³
Melting Point3695 K
Boiling Point6203 K
Molar Heat24.27 J/(mol·K)
Period6
PhaseSolid
Chemical Properties
Electron Configuration1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d4
Semantic Config[Xe] 4f14 5d4 6s2
Shells2, 8, 18, 32, 12, 2
Electron Affinity78.76 kJ/mol
Electronegativity2.36
Ionization Energies
IE1: 770 kJ/molIE2: 1700 kJ/mol
Discovery
Discovered byCarl Wilhelm Scheele