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Osmium (from Ancient Greek ὀσμή (osmḗ) 'smell') is a chemical element; it has symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum group that is found as a trace element in alloys, mostly in platinum ores. Osmium is the densest naturally occurring element.
Osmium(I) iodide is a metallic grey solid produced by the reaction of osmium tetroxide and hydroiodic acid heated in a water bath for 48 hours in a carbon dioxide atmosphere. It is an amorphous compound. [34] Osmium(II) iodide is a black solid [35] produced by the reaction of osmium tetroxide and hydroiodic acid at 250 °C in nitrogen: [34]
Pages in category "Osmium compounds" The following 26 pages are in this category, out of 26 total. This list may not reflect recent changes. ...
Osmium tetrasulfide is an inorganic compound, a salt of osmium metal and hydrogen sulfide acid with the chemical formula OsS 4. [1] Synthesis
Osmium(IV) fluoride is an inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF 4. [1] [2] Synthesis. Passing fluorine over heated ...
Osmium pentacarbonyl is the organoosmium compound with the formula Os(CO) 5. It is the simplest isolatable carbonyl complex of osmium. Osmium pentacarbonyl is a colorless volatile liquid that is obtained by treating solid triosmium dodecacarbonyl under 200 atmospheres of carbon monoxide at 280-290 °C.
Osmium hexafluoride is a yellow crystalline solid that melts at 33.4 °C and boils at 47.5 °C. [1] The solid structure measured at −140 °C is orthorhombic space group Pnma . Lattice parameters are a = 9.387 Å , b = 8.543 Å, and c = 4.944 Å.
Gui Chui Deng (Ghost Blows Out the Light) (Chinese: 鬼吹灯; pinyin: Guǐ Chuīdēng), also referred to as Candle in the Tomb, is a fantasy novel series written by Zhang Muye [] (天下霸唱) about a team of grave robbers seeking hidden treasure, with the first book published online in March 2006. [1]