NO. 074Transition

W

Tungsten

Tungsten has the highest melting point of all metals and is used in cutting tools and filaments.

Crystal Structure

Body-centered cubic (bcc)

Atomic Mass183.84 u

Density19.25 g/cm³

Melting Point3695 K

Boiling Point5828 K

Atomic Radius139 pm

Electronegativity2.36

Ionization Energy770 kJ/mol

Electron Affinity79 kJ/mol

Bonding TypeMetallic

Oxidation States4, 6

Acid/BaseBasic

ReactivityLow

Electron Configuration

[Xe] 4f14 5d4 6s2

Discovered ByFausto Elhuyar

Year1783

Known Isotopes

W-182W-183W-184W-186