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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]
The Lost World took in $72.1 million on its opening weekend ($92.7 million for the four-day Memorial Day holiday, including $2.6 million from Thursday night previews) [106] [122] in the U.S., [123] which was the biggest opening weekend up to that point, beating Batman Forever. This made it the first film to reach the $70 million mark during an ...
The Lost World: Jurassic Park is an action-adventure video game developed by Appaloosa Interactive, and published by Sega for the Sega Genesis. It was released on September 16, 1997. [ 1 ] By this time the Genesis was near the end of its commercial lifespan, and months went by between new software releases for the console.
The Lost World: Jurassic Park is an action-adventure video game developed by DreamWorks Interactive and Appaloosa Interactive, and published by Electronic Arts and Sega for the Sony PlayStation and Sega Saturn, respectively, in 1997. The Lost World: Jurassic Park is based on the film of the same name, which in turn is based on the novel by ...
Osmium tetrasulfide is an inorganic compound, a salt of osmium metal and hydrogen sulfide acid with the chemical formula OsS 4. [1] Synthesis
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.