Name: Tungsten

Atomic Symbol and Mass Number: W [74]

Electron Configuration: [Xe] 4f¹⁴ 5d⁴ 6s²

Atomic Radii: 139 pm

Electron Affinity: 78.6 kJ mol‑1

Oxidation States:+6,+5,+4,+3,+2, +, 0, -1, -2, -4

Electronegativity Value: 2.36

Elemental Group: Transition Metal

Uses and Properties:

• Tungsten is a lustrous and silvery white metal.

• The bulk metal resists attack by oxygen, acids and alkalis.

• Tungsten has the highest melting point of any metal.

• Tungsten is used in filaments in incandescent light bulbs, it is also used in electric contacts and arc-welding electrodes.

• Tungsten is commonly used in heavy metal alloys such as high speed steel, from which cutting tools are manufactured.

• It is also used in the so-called 'superalloys' to form wear-resistant coatings.

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Lewis Diagram: