Tamil dictionary. , Francesco Devillanova, Editor, 2006, RSC. It has a half life of 2.2 x 10 24 years (2.2 septillion years). Massive commercial production of CdTe solar panels by First Solar in recent years has significantly increased tellurium demand. [23] The following year, he reported that this was erroneous and that the ore contained mostly gold and an unknown metal very similar to antimony. These anions are square planar in geometry. Tellurium definition, a rare, lustrous, brittle, crystalline, silver-white element resembling sulfur in its properties, and usually occurring in nature combined with gold, silver, or other metals of high atomic weight: used in the manufacture of alloys and as a coloring agent in glass and ceramics. [17] In comparison, even the rarest of the stable lanthanides have crustal abundances of 500 µg/kg (see Abundance of the chemical elements). Pronounce word 150. [36] Tellurium trioxide, β-TeO3, is obtained by thermal decomposition of Te(OH)6. [8][78] Organisms have shown a highly variable tolerance to tellurium compounds. In concentrations of 25 mg/m3, tellurium is immediately dangerous to life and health. • Tellurium (n.) A rare nonmetallic element, analogous to sulphur and selenium, occasionally found native as a substance of a silver-white metallic luster, but usually combined with metals, as with gold and silver in the mineral sylvanite, with mercury in Coloradoite, etc. In the +6 oxidation state, the –OTeF5 structural group occurs in a number of compounds such as HOTeF5, B(OTeF5)3, Xe(OTeF5)2, Te(OTeF5)4 and Te(OTeF5)6. A model that shows the movements of Earth, Moon and Sun and illustrates the phenomena of day and night change, the seasons, the lunar phases and eclipses. pp. Translation memories are created by human, but computer aligned, which might cause mistakes. The +2 oxidation state is exhibited by the dihalides, TeCl2, TeBr2 and TeI2. Tellurium and selenium are the heavy elements most depleted by this process.[7]. Dimethyl telluride has been observed in hot springs at very low concentrations. By using our services, you agree to our use of cookies. noun. In 1798, it was named by Martin Heinrich Klaproth, who had earlier isolated it from the mineral calaverite. Tel′lurate, a salt of telluric acid.—adjs. um Would you like to know how to translate tellurium to Tamil? [45] Like H2Te, these species are unstable with respect to loss of hydrogen. [27][25][26][28], The 1960s brought an increase in thermoelectric applications for tellurium (as bismuth telluride), and in free-machining steel alloys, which became the dominant use.[29]. [85], Humans exposed to as little as 0.01 mg/m3 or less in air exude a foul garlic-like odor known as "tellurium breath". Translate Tellurium. Reduction of Te metal produces the tellurides and polytellurides, Ten2−. English to Tamil Dictionary - Meaning of Telluride in Tamil is : டெல்லுரிடில் what is meaning of Telluride in Tamil language Treatment of 1000 tons of copper ore typically yields one kilogram (2.2 pounds) of tellurium. 4 are stable and 4 are radioactive.One of the radioactive ones lasts longer than any other isotope. The −2 oxidation state is exhibited in binary compounds with many metals, such as zinc telluride, ZnTe, produced by heating tellurium with zinc. [29][46], Tellurium is used in cadmium telluride (CdTe) solar panels. The rarity of tellurium on Earth is thought to be caused by conditions during preaccretional sorting in the solar nebula, when the stable form of certain elements, in the absence of oxygen and water, was controlled by the reductive power of free hydrogen. Search nearly 14 million words and phrases in more than 470 language pairs. ", "Panasonic says that its 100GB Blu-ray discs will last a century", "Photoemission from Cesium and Rubidium Tellurides", "Organometallic Reagents for Synthetic Purposes: Tellurium", "N-Functionalized organolithium compounds via tellurium/lithium exchange reaction", "Multifunctionality of Crystalline MoV(TeNb) M1 Oxide Catalysts in Selective Oxidation of Propane and Benzyl Alcohol", "Kinetic studies of propane oxidation on Mo and V based mixed oxide catalysts", "Surface chemistry of phase-pure M1 MoVTeNb oxide during operation in selective oxidation of propane to acrylic acid", "The reaction network in propane oxidation over phase-pure MoVTeNb M1 oxide catalysts", http://www.nordion.com/wp-content/uploads/2014/10/MI_Iodine-131_Solution_Canada.pdf, "Sulfate assimilation mediates tellurite reduction and toxicity in, https://pubchem.ncbi.nlm.nih.gov/compound/6327182#datasheet=LCSS§ion=GHS-Classification, International Programme on Chemical Safety, "Comparative metabolism of selenium and tellurium in sheep and swine", "CDC – NIOSH Pocket Guide to Chemical Hazards – Tellurium", USGS Mineral Information on Selenium and Tellurium, CDC – NIOSH Pocket Guide to Chemical Hazards – Tellurium, https://en.wikipedia.org/w/index.php?title=Tellurium&oldid=997953988, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, Tellurium compounds are used as pigments for, Selenides and tellurides greatly increase the optical refraction of glass widely used in, Mixtures of selenium and tellurium are used with, Organic tellurides have been employed as initiators for living radical polymerization and electron-rich mono- and di-tellurides possess. 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