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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]
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 tetrasulfide is an inorganic compound, a salt of osmium metal and hydrogen sulfide acid with the chemical formula OsS 4. [1] Synthesis
A museum in Ault Park near Long Sault is devoted to the Lost Villages, including several historic buildings salvaged from the communities. Other buildings from the villages were moved to the site of Upper Canada Village in Morrisburg. The flooded area also includes Crysler's Farm, where a major battle was fought during the War of 1812. A ...
Common to all the lost mine legends is the idea of a valuable and mysterious resource being lost to history. Some lost mine legends have a historical basis, and some have none. Regardless, the lure of these legends is attested by the many books on the subject, and the popularity of publications such as Lost Treasure magazine. [1] [2]
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.
The Lost Village (Japanese: 迷家-マヨイガ, romanized: Mayoiga), a 2017 Japanese anime; The Lost Village (Chinese: 山门与幻境; pinyin: Shānmén yǔ Huànjìng; lit. 'Mountain Gate and Fantasy'), a 2024 Chinese video game; Smurfs: The Lost Village, a 2017 3D animated U.S. children's film