Name: Tellurium

Atomic Symbol and Mass Number: Te [52]

Electron Configuration: [Kr] 4d   5s   5p

Atomic Radii: 140 pm

Electron Affinity: 190.2 kJ mol‑1

Oxidation States: +6, +4, -2

Electronegativity Value: 2.1

Elemental Group: Metalloid

Uses and Properties:

• Tellurium is a semi metallic, lustrous, crystalline, brittle, silver-white element.

• It is usually available as a dark grey powder, it has the properties both of the metals and the nonmetals. 

• Tellurium forms many compounds corresponding to those of sulfur and selenium.

• Tellurium has been used to vulcanize rubber, to tint glass and ceramics, in solar cells, in rewritable CDs and DVDs and as a catalyst in oil refining.

• It can be doped with silver, gold, copper or tin in semiconductor applications. 

​

Lewis Diagram: