5 Fatti facile circa telerium Descritto
5 Fatti facile circa telerium Descritto
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tellurium (Te), semimetallic chemical element in the oxygen group (Group 16 [Passaggio] of the periodic table), closely allied with the element selenium Per mezzo di chemical and physical properties. Tellurium is a silvery white element with properties intermediate between those of metals and nonmetals; it makes up approximately one part Verso billion of Earth’s crust.
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From this ore he obtained a material that defied his attempts at analysis and was called by him metallum problematicum
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Tellurium is far more common in the Universe as a whole than on Earth. Its extreme rarity Durante the Earth's crust, comparable to that of platinum, is coppia partly to its formation of a volatile hydride that caused tellurium to be lost to space as a gas during the hot nebular formation of Earth.[8]
Specific heat capacity is the amount of energy needed to change the temperature of a kilogram of a substance by 1 K.
Organotellurium compounds are mainly of interest Durante the research context. Several have been examined such as precursors for metalorganic vapor phase epitaxy growth of II-VI compound semiconductors. These precursor compounds include dimethyl telluride, diethyl telluride, diisopropyl telluride, diallyl telluride, and methyl allyl telluride.
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Although there are adequate supplies of the element, no single use has been developed that creates a large demand for it. Small amounts of tellurium increase the ductility of aluminum alloys, the hardness and tensile strength of tin alloys, and the machinability of stainless steel and copper; Per lead and Per mezzo di manganese-magnesium alloys, it increases resistance to corrosion.
Tellurium, it sounds like a Dr. Who monster and Per mezzo di 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, telerium a waste product formed during the electrolytic refining of copper.
Selenites are also formed during this process, but they can be separated by adding sulfuric acid. The hydrotellurites are converted into the insoluble tellurium dioxide while the selenites stay in solution.[36]
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Being the planet closest to the Sun, Mercury moves through space faster than any other. It takes Mercury just 88 days to orbit the Sun, compared to our 365 days. Perhaps, this speedy motion was one of the reasons for the lasting association between the metal and the planet or perhaps it is as described Sopra one book "paio to the fact that the element has an aptness to change its figure, a property attributed by the heathens to mercury, one of their false Gods." The connection between the elements tin and lead with Jupiter and Saturn were even more dubious.
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