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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]
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Osmium is a chemical element with symbol Os and atomic number 76. Osmium may also refer to: Osmium, the debut album of American funk band Parliament; Osmium weapons, a type of weapon material found in the online videogame Cabal Online
Osmium tetrasulfide is an inorganic compound, a salt of osmium metal and hydrogen sulfide acid with the chemical formula OsS 4. [1] Synthesis
Osmium diphosphide is a binary inorganic compound of osmium metal and phosphorus with the chemical formula OsP 2. Synthesis. Osmium diphosphide can be obtained by ...
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.