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Chemical element with atomic number 76 (Os)
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
Osmium
Chemical element with atomic number 108 (Hs)
experiments have confirmed that hassium behaves as the heavier homologue to osmium, reacting readily with oxygen to form a volatile tetroxide. The chemical
Hassium
Osmium (76Os) has seven naturally occurring isotopes, five of which are stable: 187Os, 188Os, 189Os, 190Os, and (most abundant) 192Os. The other natural
Isotopes_of_osmium
Index of chemical compounds with the same name
Osmium fluoride may refer to: Osmium(IV) fluoride (osmium tetrafluoride), OsF4 Osmium(V) fluoride (osmium pentafluoride), OsF5 Osmium(VI) fluoride (osmium
Osmium_fluoride
Chemical compound
Osmium tetroxide (also osmium(VIII) oxide) is the chemical compound with the formula OsO4. The compound is noteworthy for its many uses, despite its toxicity
Osmium_tetroxide
Topics referred to by the same term
Look up Osmium or osmium in Wiktionary, the free dictionary. Osmium is a chemical element with symbol Os and atomic number 76. Osmium may also refer to:
Osmium_(disambiguation)
Index of chemical compounds with the same name
Osmium chloride may refer to: Osmium(III) chloride, OsCl3 Osmium(IV) chloride (osmium tetrachloride), OsCl4 Osmium(V) chloride (osmium pentachloride),
Osmium_chloride
Index of chemical compounds with the same name
Osmium bromide may refer to: Osmium(IV) bromide (osmium tetrabromide), OsBr4 Osmium(III) bromide (osmium tribromide), OsBr3 This set index article lists
Osmium_bromide
Chemical element with atomic number 77 (Ir)
group is considered the second-densest naturally occurring metal (after osmium), with a density of 22.56 g/cm3 (0.815 lb/cu in) as defined by experimental
Iridium
1970 studio album by Parliament
Osmium is the debut album of American funk band Parliament, led by George Clinton. The album has a psychedelic soul sound with a spirit of experimentation
Osmium_(album)
Chemical compound
Osmium(IV) fluoride is an inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF4. Passing fluorine over heated osmium
Osmium(IV)_fluoride
Chemical compound
Osmium oxydiammine dihydroxide is an inorganic chemical compound with the formula [OsO(NH3)2](OH)2. It exists as a brown powder that is insoluble in water
Osmium oxydiammine dihydroxide
Osmium_oxydiammine_dihydroxide
Chemical compound
Osmium(II) chloride or osmium dichloride is an inorganic compound composed of osmium metal and chlorine with the chemical formula OsCl 2. Osmium(II) chloride
Osmium(II)_chloride
Chemical compound
Osmium(V) chloride is an inorganic chemical compound of osmium metal and chlorine with the chemical formula OsCl5. Osmium(V) chloride can be obtained
Osmium(V)_chloride
Chemical compound
Osmium tetrasulfide is an inorganic compound, a salt of osmium metal and hydrogen sulfide acid with the chemical formula OsS4. Osmium tetrasulfide forms
Osmium_tetrasulfide
Osmium compounds are compounds containing the element osmium (Os). Osmium forms compounds with oxidation states ranging from −2 to +8. The most common
Osmium_compounds
Chemical compound
Osmium dioxide is an inorganic compound with the formula OsO2. It exists as brown to black crystalline powder, but single crystals are golden and exhibit
Osmium_dioxide
Chemical compound
Osmium pentafluoride is an inorganic compound with the formula OsF5. It is a blue-green solid. Like the pentafluorides of Ru, Rh, and Ir, OsF5 exists as
Osmium_pentafluoride
Chemical compound
Osmium diphosphide is a binary inorganic compound of osmium metal and phosphorus with the chemical formula OsP2. Osmium diphosphide can be obtained by
Osmium_diphosphide
Chemical reaction
Sharpless bishydroxylation) is the chemical reaction of an alkene with osmium tetroxide in the presence of a chiral quinine ligand to form a vicinal diol
Sharpless asymmetric dihydroxylation
Sharpless_asymmetric_dihydroxylation
Chemical compound
Osmium hexafluoride, also osmium(VI) fluoride, (OsF6) is a compound of osmium and fluorine, and one of the seventeen known binary hexafluorides. Osmium
Osmium_hexafluoride
Chemical compound
Osmium heptafluoride is a possible inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF 7. It was first reported in 1966
Osmium_heptafluoride
Chemical compound
Osmium octafluoride is an inorganic chemical compound of osmium metal and fluorine with the chemical formula OsF8. Some sources consider it to be a still
Osmium_octafluoride
Index of chemical compounds with the same name
Osmium oxide may refer to: Osmium dioxide, OsO2 Osmium tetroxide, OsO4 This set index article lists chemical compounds articles associated with the same
Osmium_oxide
Chemical compound
Osmium(III) bromide is a binary inorganic compound with the chemical formula OsBr 3. It can be prepared by the decomposition of osmium tetrabromide under
Osmium(III)_bromide
Group of chemical elements in the periodic table
elements in the periodic table. It consists of iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). "Group 8" is the modern standard designation for
Group_8_element
Chemical compound
Osmium(III) chloride is an inorganic compound of osmium and chlorine with the chemical formula OsCl3. Osmium(III) chloride can be prepared by treating
Osmium(III)_chloride
Chemical compound
Osmium oxide pentafluoride is an inorganic compound with the chemical formula OsOF5. It is a paramagnetic emerald green solid, notable for being a heptavalent
Osmium_oxide_pentafluoride
Osmium borides are compounds of osmium and boron. Their most remarkable property is potentially high hardness. It is thought that a combination of high
Osmium_borides
Six noble, precious metallic elements clustered together in the periodic table
and 6). The six platinum-group metals are ruthenium, rhodium, palladium, osmium, iridium, and platinum. They have similar physical and chemical properties
Platinum_group
Chemical compound
Osmium(IV) chloride or osmium tetrachloride is the inorganic compound composed of osmium and chlorine with the empirical formula OsCl4. It exists in two
Osmium(IV)_chloride
Chemical reaction
alkene by osmium tetroxide, followed by a Malaprade reaction to cleave the diol using periodate. Periodate also serves to regenerate the osmium tetroxide
Lemieux–Johnson_oxidation
Chemical compound
Osmium tetrabromide is the inorganic compound with the formula OsBr4. A black solid, this compound can be produced by heating osmium tetrachloride and
Osmium_tetrabromide
Rare, naturally occurring metallic chemical element of high economic and cultural value
metals include the platinum group metals: ruthenium, rhodium, palladium, osmium, iridium, and platinum, of which platinum is the most widely traded. The
Precious_metal
Technique used to enhance visual contrast of specimens observed under a microscope
solution. Osmium tetraoxide is used in optical microscopy to stain lipids. It dissolves in fats, and is reduced by organic materials to elemental osmium, an
Staining
Chemical element with atomic number 44 (Ru)
state +8, and even then it is less stable there than the heavier congener osmium: this is the first group from the left of the table where the second and
Ruthenium
Chemical compound
Carbonylchlorohydrotris(triphenylphosphine)osmium is a coordination complex with the formula OsHCl(CO)[P(C6H5)3]3. It contains four different ligands:
Carbonylchlorohydrotris(triphenylphosphine)osmium
Carbonylchlorohydrotris(triphenylphosphine)osmium
American funk band most prominent during the 1970s
titled Osmium was released on Invictus Records in 1970, and was later reissued on CD with non-album tracks as both Rhenium and First Thangs. Osmium featured
Parliament_(band)
Chemical compound
(NH4)2OsCl6. Ammonium hexachloroosmate(IV) can be produced by the reduction of osmium tetroxide with iron dichloride in hydrochloric acid in the presence of ammonium
Ammonium_hexachloroosmate(IV)
2026 film score by Hildur Guðnadóttir
Duran Duran "Everything in Its Right Place" by Radiohead "OSMIUM 1" and "OSMIUM 6" by OSMIUM "The Number of the Beast" by Iron Maiden "In the House – In
28 Years Later: The Bone Temple (soundtrack)
28_Years_Later:_The_Bone_Temple_(soundtrack)
Chemical compound
Osmium pentacarbonyl is the organoosmium compound with the formula Os(CO)5. It is the simplest isolatable carbonyl complex of osmium. Osmium pentacarbonyl
Osmium_pentacarbonyl
Class of chemical compounds
Osmium iodide refers to compounds of osmium with the formula OsIn. Several have been mentioned in the literature, but only the triiodide has been verified
Osmium_iodides
Metallic elements that are nearly chemically inert
platinum, and the other platinum group metals (ruthenium, rhodium, palladium, osmium, iridium) are most often so classified. Silver, copper, and mercury are
Noble_metal
Chemical element with atomic number 46 (Pd)
when she slew Pallas. Palladium, platinum, rhodium, ruthenium, iridium and osmium form together a group of elements referred to as the platinum group metals
Palladium
Chemical compound
outside of scientific interest, where it is often studied in comparison to osmium tetroxide and ruthenium tetroxide, its lighter octavalent group 8 element
Hassium_tetroxide
Chemical compound
6-Dihydroxycytosine (Isouramil) can be formed from treatment of DNA with osmium tetroxide. Dizdaroglu, M; Holwitt, E; Hagan, M. P.; Blakely, W. F. (1986)
5,6-Dihydroxycytosine
Alloy of iridium and osmium
Osmiridium and iridosmine are natural alloys of the elements osmium and iridium, with traces of other platinum-group metals. Osmiridium has been defined
Osmiridium
Radiometric dating method using rhenium-187 and osmium-187
Rhenium–osmium dating is a form of radiometric dating based on the beta decay of the isotope 187Re to 187Os. This normally occurs with a half-life of 41
Rhenium–osmium_dating
Mass per unit volume
densities, and density may be relevant to buoyancy, purity and packaging. Osmium is the densest known element at standard conditions for temperature and
Density
Chemical compound
with the formula Na2OsCl6. A red solid, it is the disodium salt of the osmium(IV) complex [OsCl6]2−. The anion is an octahedral complex with Os-Cl distance
Sodium_hexachloroosmate
Nuclide that does not undergo radioactive decay
long-lived primordial radionuclide Osmium-187 (α) Osmium-188 (α) Osmium-189 (α) Osmium-190 (α) Osmium-192 (α, 2B)* Iridium-191 (α) Iridium-193 (α) Platinum-190
Stable_nuclide
Chemical reaction where an alkene is converted to a vicinal diol
direct processes use a high-oxidation-state transition metal (typically osmium or manganese). The metal is often used as a catalyst, with some other stoichiometric
Dihydroxylation
Compound of Lead
enhancer for heavy metal staining in electron microscopy. This salt binds to osmium and uranyl acetate and enhances contrast in many cellular structures. Lead
Lead_citrate
molybdate, uranyl acetate, uranyl formate, phosphotungstic acid, osmium tetroxide, osmium ferricyanide[clarification needed] and auroglucothionate. These
Negative_stain
Chemical compound
compound with the formula K2[OsO2(OH)4]. This diamagnetic purple salt contains osmium in the VI (6+) oxidation state. It gained attention as a catalyst for the
Potassium_osmate
Chemical compound
yellow-colored metal carbonyl cluster is an important precursor to organo-osmium compounds. Many of the advances in cluster chemistry have arisen from studies
Triosmium_dodecacarbonyl
Chemical compound used to oxidize another substance in a chemical reaction
agent. Examples include MnO− 4 (permanganate), CrO2− 4 (chromate), OsO4 (osmium tetroxide), and especially ClO− 4 (perchlorate). Notice that these species
Oxidizing_agent
Chemical element with atomic number 75 (Re)
It is also one of the densest, exceeded only by platinum, iridium, and osmium. Rhenium has a hexagonal close-packed crystal structure. Its usual commercial
Rhenium
Aspect of geology studying variations in isotope abundances in the natural environment
the osmium–osmium ratio from changing appreciably. This locks in an initial osmium ratio of the sample at the time of the melting event. Osmium–osmium initial
Isotope_geochemistry
Chemical element with atomic number 26 (Fe)
transition metals, including the other group 8 elements, ruthenium and osmium. Iron forms compounds in a wide range of oxidation states, −2 to +7. Iron
Iron
Type of electron microscope
chromium, osmium.. An alternative to coating for some biological samples is to increase the bulk conductivity of the material by impregnation with osmium using
Scanning_electron_microscope
Form of metal
aluminium, mercury, silver) and the platinum group (platinum, iridium, osmium, palladium, rhodium, ruthenium). Among the alloys found in native state
Native_metal
Chemical compound
co-oxidant and sacrificial catalyst in oxidation reactions for instance in osmium tetroxide oxidations and the Sharpless asymmetric dihydroxylation or oxidations
N-Methylmorpholine_N-oxide
alkenes with hydrogen peroxide and either ultraviolet light or a catalytic osmium tetroxide, vanadium pentoxide, or chromium trioxide. The reaction has been
Milas_hydroxylation
Tabular arrangement of the chemical elements
shells in heavy atoms thus come closer to the hydrogenic order: around osmium (Z = 76) 4f falls below 5p, and around bismuth (Z = 83) 4f falls below 5s
Periodic_table
Material with Vickers hardness exceeding 40 gigapascals
bonding (M = metal) lead to high hardness. Dense heavy metals, such as osmium, rhenium, tungsten etc., are particularly apt at forming hard borides because
Superhard_material
Row 6 of the periodic table
importance, for its use in high performance military jet and rocket engines. Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard
Period_6_element
Chemical reagent mixture
Sharpless. The mixes contain: Potassium osmate K2OsO2(OH)4 as the source of Osmium tetroxide Potassium ferricyanide K3Fe(CN)6, which is the re-oxidant in the
AD-mix
Chemical element with atomic number 79 (Au)
comparison, the density of lead is 11.34 g/cm3, and that of the densest element, osmium, is 22.588±0.015 g/cm3. Whereas most metals are gray or silvery white, gold
Gold
English chemist (1761–1815)
chemist. He is best known for his discovery of the elements iridium and osmium, which he found in the residues from the solution of platinum ores in 1803
Smithson_Tennant
Chemical compound
formula K[OsO3N], containing osmium in the +8 oxidation state. The osmiamate anion [OsO3N]⁻ is structurally isoelectronic with osmium tetroxide, in which one
Potassium_osmiamate
High density solution
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
Heavy_liquid
Chemical compound
potassium dioxobisoxalatoosmate), is an organic chemical compound containing osmium in the +6 oxidation state, with the chemical formula K2[OsO2(C2O4)2]. It
Potassium_osmyl_oxalate
Chemical element with atomic number 29 (Cu)
Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine
Copper
Coarse-grained ultramafic igneous rock type
30 km to 200 km or more. Some of the nodules preserve isotope ratios of osmium and other elements that record processes that occurred when Earth was formed
Peridotite
Chemical compounds containing ruthenium
oxidation states ranging from 0 to +8, and −2. The properties of ruthenium and osmium compounds are often similar. The +2, +3, and +4 states are the most common
Ruthenium_compounds
Chemical element with atomic number 87 (Fr)
Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine
Francium
M.; Zsednai, Á.; Csányi, L.J. (1983). "The acidic behaviour of osmium(VIII) and osmium(VI". Transition Met. Chem. 8: 328–332. doi:10.1007/BF00618563.
Hydrolysis_constant
Chemical compound
although with nitric acid it reacts to form osmium tetroxide. It slowly hydrolyses in water yielding osmium dioxide, and in strong alkali it also decomposes
Potassium_hexachloroosmate
Chemical element with atomic number 47 (Ag)
Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine
Silver
Chemical reaction
using N-methylmorpholine N-oxide (NMO) as stoichiometric re-oxidant for the osmium tetroxide. It is superior to previous catalytic methods. Prior to this method
Upjohn_dihydroxylation
Major climatic change and biotic turnover during the Triassic
a marked change in the ratio of seawater osmium isotopes. The relative abundance of osmium-187 over osmium-188 declines strongly through most of the
Carnian_pluvial_episode
high toxicity of OsO4 and the presence of monooxo(tetraaryl)osmium(vi) and bisoxo(diaryl)osmium(vi) side products add extra complications to the purification
Tetramesityl_compounds
Chemical compound
K2[OsCl5N]. It is a true nitride, as the nitrogen atom is bonded directly to the osmium atom, which is itself in the +6 oxidation state. Potassium pentachloronitridoosmate
Potassium pentachloronitridoosmate
Potassium_pentachloronitridoosmate
Group 15 elements of the periodic table with valency 5
Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine
Pnictogen
Chemical reaction
generated by treatment of osmium tetroxide with the sodium chloramines. Typical procedures combine chloramine-T, alkene, an osmium catalyst, and a chiral
Sharpless_oxyamination
British chemist and academic
The preparation and properties of some tertiary phosphine complexes of osmium, iridium, ruthenium, and platinum (PhD thesis). University of Sussex. OCLC 500519525
Michael_Mingos
1974 studio album by Parliament
funk band Parliament. It was the band's second album (following 1970's Osmium), and their first to be released on Casablanca Records. The album was released
Up_for_the_Down_Stroke
Chemical element with atomic number 50 (Sn)
Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine
Tin
Nuclides predating the Earth's formation (found on Earth)
of 28 separate elements. Cadmium, tellurium, xenon, neodymium, samarium, osmium, and uranium each have two primordial radioisotopes (113 Cd, 116 Cd; 128
Primordial_nuclide
Chemical compound
Complexes of Ruthenium(III)/(II) and Osmium(III)/(II)". cis-Bis(2,2′-Bipyridine-N,N′) Complexes of Ruthenium(III)/(II) and Osmium(III)/(II). Inorganic Syntheses
Cis-Dichlorobis(bipyridine)ruthenium(II)
Cis-Dichlorobis(bipyridine)ruthenium(II)
Chemical element with atomic number 80 (Hg)
Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine
Mercury_(element)
Chemical compound containing two hydroxyl (–OH) groups
alkenes, usually with dilute acidic potassium permanganate or Osmium tetroxide. Osmium tetroxide can similarly be used to oxidize alkenes to vicinal diols
Diol
Fictional, indestructible metal alloy
indestructible metal" the most suitable real material to model it would be osmium, "the densest known metallic element". Adam Ant Unobtainium Vibranium Walker
Adamantium
Chemical element with atomic number 45 (Rh)
Griffith, W. P. (2003). "Bicentenary of Four Platinum Group Metals: Osmium and iridium – events surrounding their discoveries". Platinum Metals Review
Rhodium
Element whose atomic number is greater than 92
Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine
Transuranium_element
of Birmingham University of Nottingham Thesis Studies in ruthenium and osmium coordination chemistry (1993) Doctoral advisor Bill Levason Doctoral students
Neil_Champness
Ruthenium sulfide mineral
has a Mohs hardness of 7.5 and a specific gravity of 6.43. It can contain osmium, rhodium, iridium, and iron substituting for the ruthenium. The sulfur is
Laurite
Rare mineral
rare mineral and is in the platinum group alloys. It's also part of the osmium group. It was discovered in the Loma Peguera deposit, Falcondo Mines, Bonao
Garutiite
German chemist (1868–1934)
method made use of a more refined iron catalyst, instead of the uranium or osmium catalyst that were used prior. By decreasing temperature, but increasing
Fritz_Haber
OSMIUM
OSMIUM
OSMIUM
OSMIUM
Boy/Male
Indian, Punjabi, Sikh
Lightning
Boy/Male
American, Anglo, Australian, British, Chinese, English, Irish, Jamaican, Scandinavian, Scottish
Mossy Place; Son of the Marsh-dwellers; Rock; Coastal Rocks; Son of Carr; Marsh Area; Surname
Girl/Female
Muslim
Princess of flowers
Girl/Female
Muslim
Nightingale
Boy/Male
Hindu
One who takes care the universe, Caretaker of the world God
Boy/Male
Australian, Danish, French, German, Norse, Norwegian, Swedish
Victorious Defender; Victory
Boy/Male
Indian, Kannada
Lord Shiva; Guru
Girl/Female
Hindu, Indian, Tamil
The Whole World; Create Opportunities
Boy/Male
Hindu
Kings of king
Boy/Male
Hindu, Indian
Show; Who is Attaining Diksha (Knowledge)
OSMIUM
OSMIUM
OSMIUM
OSMIUM
OSMIUM
n.
A rare metallic element of the platinum group, found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or grayish white metal, and the heaviest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 191.1. Specific gravity 22.477.
a.
Pertaining to, derived from, or containing, osmium; specifically, designating those compounds in which it has a valence higher than in other lower compounds; as, osmic oxide.
n.
A rare metallic element, of the same group as platinum, which it much resembles, being silver-white, but harder, and brittle, and indifferent to most corrosive agents. With the exception of osmium, it is the heaviest substance known, its specific gravity being 22.4. Symbol Ir. Atomic weight 192.5.
n.
A rare sulphide of osmium and ruthenium found with platinum in Borneo and Oregon.
a.
Of, pertaining to, or designating, a nitrogenous acid of osmium, H2N2Os2O5, forming a well-known series of yellow salts.
a.
Denoting those compounds of osmium in which the element has a valence relatively lower than in the osmic compounds; as, osmious chloride.
n.
The native compound of iridium and osmium. It is found in flattened metallic grains of extreme hardness, and is often used for pointing gold pens.
n.
An oxide having four atoms of oxygen in the molecule; a quadroxide; as, osmium tetroxide, OsO/.