Tellurium
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| Name | Tellurium / Tellurium |
| CAS number | 13494-80-9 |
| Chemical formula | Te |
In the periodic system, tellurium is in group VI of the main subgroup. It has atomic number 52 and belongs to the metalloid family. The name of the element comes from the Latin tellus, genitive telluris, earth .
The simple substance tellurium is brittle, silvery-white with a metallic sheen. Red-brown in thin layers, golden yellow in pairs. When heated, it becomes plastic .
Application area
The main use of tellurium is the synthesis of various tellurides, which have conductive properties for the production of semiconductor materials .
Tellurium is used in the production of chalcogenide glasses, which are used in chemical equipment and electronics .
Tellurium is used in metallurgy for alloying cast iron and steel, lead, copper (to increase their mechanical and chemical resistance) .
It is also used in the rubber vulcanization process .
Tellurium vapor is used for lamps, because. its spectrum is very close to that of the sun .
An alloy of tellurium is used in rewritable CDs to create a deformable reflective layer .
