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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 bromide may refer to: Osmium(IV) bromide (osmium tetrabromide), OsBr 4; Osmium(III) bromide (osmium tribromide), OsBr 3 This page was last edited on 20 ...
Mercury is the heaviest liquid at room temperature. But the heaviest liquid irrespective of temperature is liquid osmium (a rare metal) at its melting point (3033°C/5491.4°F), with a density of 22.59 g·cm −3, 1.65 times as heavy as mercury. [4]
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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 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.