Tungsten (W)

Tungsten, also known as wolfram, is a chemical element with symbol W and atomic number 74. The free element is remarkable for its robustness.

Atomic Number

74

Atomic Mass

183.84 u

Category

transition metal

Phase

solid

Density

19.25 g/cm³

Electron Shells

2, 8, 18, 32, 12, 2

Atomic Structure

Protons: 74 • Electrons: 74 • Neutrons: Varies by isotope

Electron Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d⁴

Discovery

1783 • Juan José Elhuyar, Fausto Elhuyar