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74
W
183.84

Tungsten

Transition metals · Group 6 · Period 6

Atomic properties

Atomic number74
SymbolW
Standard atomic weight183.84
ClassificationTransition metals
Group6
Period6
Blockd-block
Electron configuration[Xe] 4f14 5d4 6s2
Electronegativity (Pauling)2.36
Common oxidation states+6, +4

Physical properties

Phase at 20 °CSolid
Density19.25 g/cm³
Melting point3422 °C
Boiling point5555 °C
Discovered1783
CAS number