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Te ( Tellurium )

Keterangan

     Tellurium burns in air or oxygen with a greenish-blue flame, forming tellurium(IV) oxide. It is unaffected by water or hydrochloric acid, but reacts with nitric acid. Tellurium is a p-type semiconductor, and its conductivity increases slightly with exposure to light. Molten tellurium corrodes iron, copper and stainless steel.

Nama lain (trademark, branding etc.)

Tellurium, Tellur, Telurij, Tellure, Tellur - r, Telúrio, Теллур, Teluro, 

 

Spesifikasi Produk

Overview of Tellurium
Atomic Number 52
Group 16
Period 5
Series Metalloids (Nonmetal)
Relative Atomic Mass (12C=12.000)  127.6
Boiling Point:  1261K 988°C 1810°F
Melting Point:  722.8K 449.65°C 841.37°F
Density/kg m-3  6240 (293K)
Ground State Electron Configuration  [Kr]4d105s25p4
Electron Affinity(M-M-)/kJ mol-1  -190.2
Discoverer:  Baron Franz Müller von Reichenstein
Discovery Location:  Sibiu Romania
Discovery Year:  1783
Name Origin: Greek: tellus (the Earth).

Aplikasi

    Used to improve the machining quality of metal products and to color glass and ceramics. Also used in thermoelectric devices, vulcanization of rubber, percussion caps, battery plate protectors and electrical resistors.

Bahan Baku

Tellurium is a chemical element with symbol Te and atomic number 52. A brittle, mildly toxic, rare, silver-white metalloid which looks similar to tin, tellurium is chemically related to selenium and sulfur. It is occasionally found in native form, as elemental crystals. Tellurium is far more common in the universe as a whole than it is on Earth. Its extreme rarity in the Earth's crust, comparable to that of platinum, is partly due to its high atomic number, but also due to its formation of a volatile hydride which caused the element to be lost to space as a gas during the hot nebular formation of the planet.

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