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About this Research Topic Metalloids are elements that possess physical and chemical properties that are intermediate between metals and nonmetals. Topic Editors. Views Demographics No records found total views article views article downloads topic views. Top countries. Micromachines 9 7 Nat Commun 4 1 J Antimicrob Chemother 67 9 — Mohanty P, Park J, Kim B a Large scale synthesis of highly pure single crystalline tellurium nanowires by thermal evaporation method.
J Nanosci Nanotechnol 6 11 — J Phys Chem B 2 — Angew Chem Int Ed 43 11 — The Merck index online—chemicals, drugs and biologicals. ISBN J Chem Technol Biotechnol 50 2 — Nat Commun 7 1 Environ Sci Technol 48 24 — Appl Environ Microbiol 74 23 — Small 5 8 — Nyk J, Onderka B Thermodynamics of oxygen in dilute liquid silver—tellurium alloys. Monatsh Chem 9 — ACS Nano 11 10 — Fritzsche H Interpretation of the double reversal of the hall effect in tellurium.
Science — Phys Rev Lett 24 Nanoscale Res Lett 12 1 Bijelic A, Rompel A Ten good reasons for the use of the tellurium-centered Anderson—Evans polyoxotungstate in protein crystallography. Acc Chem Res 50 6 — Acta Cryst 70 7 — Acta Cryst 52 3 — Acta Cryst 72 1 :1—5. CrossRef Google Scholar. Sci Adv 4 8 :eaas Appl Environ Microbiol 80 22 — Langmuir 20 1 — Molecules 14 9 — J Inorg Biochem 7 — Econ Geol 60 8 — Inorg Chem 48 23 — Wiley, Hoboken.
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Part 1. Synthesis 10 — King RB Inorganic chemistry of the main-group elements. In: Addison CC ed Inorganic chemistry of the main-group elements, vol 4. Petragnani N Tellurium in organic synthesis.
Russ Chem Rev 68 11 — Coord Chem Rev 5—8 — Anticancer Drug Des 15 5 — Pure Appl Chem 88 3 — Magill J The universal nuclide chart. In: Nuclides. Springer, Berlin, pp — Nanoscale Res Lett 10 1 Makuei FM, Senanayake G Extraction of tellurium from lead and copper bearing feed materials and interim metallurgical products—a short review. Miner Eng — Wang S Tellurium, its resourcefulness and recovery. JOM 63 8 — Environ Sci Technol 50 3 — Ind Eng Chem Res 41 25 — Ultrason Sonochem — Waste Manag — Org Biomol Chem 1 23 Sensors 9 9 — Sci Rep 7 1 Adv Mater 24 46 — J Hazard Mater — Nat Nanotechnol 6 8 — J Exp Nanosci 8 7—8 — Ayre J First solar reports largest quarterly decline in CdTe module cost per-watt since Solar Love.
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Springer, Basel. Mayers B, Xia Y One-dimensional nanostructures of trigonal tellurium with various morphologies can be synthesized using a solution-phase approach. In such cases we would ask you to sign a Visual Elements licence agreement, tailored to the specific use you propose.
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Periodic Table. Glossary Allotropes Some elements exist in several different structural forms, called allotropes. Glossary Group A vertical column in the periodic table. Fact box. Group 16 Melting point Glossary Image explanation Murray Robertson is the artist behind the images which make up Visual Elements. Appearance The description of the element in its natural form. Biological role The role of the element in humans, animals and plants.
Natural abundance Where the element is most commonly found in nature, and how it is sourced commercially. Uses and properties. Image explanation. A semi-metal usually obtained as a grey powder. Tellurium is used in alloys, mostly with copper and stainless steel, to improve their machinability. When added to lead it makes it more resistant to acids and improves its strength and hardness.
Tellurium has been used to vulcanise 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. Biological role. Tellurium has no known biological role.
It is very toxic and teratogenic disturbs the development of an embryo or foetus. Natural abundance. Tellurium minerals include calaverite, sylvanite and tellurite. It is also found uncombined in nature, but only very rarely. It is obtained commercially from the anode muds produced during the electrolytic refining of copper.
Help text not available for this section currently. Elements and Periodic Table History. He became intrigued by ore from a mine near Zalatna which had a metallic sheen and which he suspected was native antimony or bismuth. It was actually gold telluride, AuTe 2. Preliminary investigation showed neither antimony nor bismuth to be present.
He published his findings in an obscure journal and it went largely unnoticed. In , he sent a sample to Martin Klaproth in Berlin who confirmed him findings. Klaproth produced a pure sample and decided to call it tellurium.
Rather strangely, this was not the first sample of tellurium to pass through his hands. In , he had been sent some by a Hungarian scientist, Paul Kitaibel who had independently discovered it. Atomic data. Glossary Common oxidation states The oxidation state of an atom is a measure of the degree of oxidation of an atom.
Oxidation states and isotopes. Glossary Data for this section been provided by the British Geological Survey. Relative supply risk An integrated supply risk index from 1 very low risk to 10 very high risk. Recycling rate The percentage of a commodity which is recycled. Substitutability The availability of suitable substitutes for a given commodity. Reserve distribution The percentage of the world reserves located in the country with the largest reserves.
Political stability of top producer A percentile rank for the political stability of the top producing country, derived from World Bank governance indicators. Political stability of top reserve holder A percentile rank for the political stability of the country with the largest reserves, derived from World Bank governance indicators. Supply risk. Relative supply risk Unknown Crustal abundance ppm 0.
Young's modulus A measure of the stiffness of a substance. Shear modulus A measure of how difficult it is to deform a material. Bulk modulus A measure of how difficult it is to compress a substance. Vapour pressure A measure of the propensity of a substance to evaporate. Pressure and temperature data — advanced. Listen to Tellurium Podcast Transcript :. You're listening to Chemistry in its element brought to you by Chemistry World , the magazine of the Royal Society of Chemistry.
This week Dr. Who gets to mention, as we unlock the story of a slimy element, that makes people stink of garlic and turns their fingers black. With the tale of tellurium, here's Peter Wothers. Tellurium, it sounds like a Dr. Who monster and in a number of ways this element does have a few properties that would make it suitable for any good outer space, sci-fi horror movie.
For a start, like many space monsters, it comes from slime; to be precise it is extracted from anode slime, a waste product formed during the electrolytic refining of copper.
Its special power, well in the form of cadmium telluride, it can capture solar energy. Far from being used for evil though, this compound has been used in some of the most efficient solar cells for the generation of electrical power. Every good monster must have a secret weapon and tellurium is no exception. It gives its enemies garlic breath, really bad garlic breath. A dose of half a microgram, hardly even visible would give you garlic breath for 30 hours, Oh! And it also gives its victim black patches on the webbing in between the fingers, but few people would get close enough to notice this.
Like a certain well-known vampire, tellurium was first discovered in Transylvania. This was in by Franz Joseph Muller von Reichenstein, the chief inspector of the mines there. He was having particular problems with the analysis of an unusual gold containing ore. Eventually, he managed to isolate a new metal from the ore and he called it aurum problematicum.
He sent a sample to the German chemist Martin Klaproth, who confirmed it was a new element and gave it the name tellurium.
But to properly understand why he called it this, we need to go way back in time and look into space. When early man looked up at the stars at night, he noticed certain heavenly bodies that moved through the fixed pattern of the stars. Two other great bodies also seemed to circle the earth, namely the Sun and the Moon. Altogether then there were seven such heavenly bodies and seven was a magical number. Early man also knew of just seven metals, gold, silver, copper, iron, tin, lead and mercury; surely this could be no coincidence.
In the same ways that rays from the sun nourish plants and are essential for their growth, it was thought that the invisible rays from the planets helped nourish metallic ores in the ground.
Each planet was thought to have a particular influence on one metal or its ores. Chaucer described this connection in the 14 th Century.
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