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1. Osmium: Osmium is a chemical element, having the chemical symbol Os. Its atomic number (the number of protons) is 76. [100%] 2022-05-27
2. Osmium: , in chemistry, a metallic element, found in platinum ore in small particles, consisting essentially of an alloy of osmium and iridium and known as osmiridium. It was first obtained in 1803 by Smithson Tennant (Phil. It may be prepared from ... [100%] 2022-09-02
3. Osmium: Osmium is a chemical element that is one of the platinum metals. It is the densest of all the natural elements. [100%] 2023-03-04 [Elements] [Metals]...
4. Osmium: 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 ... [100%] 2023-12-29 [Osmium] [Chemical elements]...
5. Osmium: Osmium (chemical symbol Os, atomic number 76) is a hard, brittle, blue-gray or blue-black transition metal in the platinum family and is found as an alloy in platinum ore. It is one of the densest natural elements. Its ... [100%] 2023-02-04
6. Osmium: Osmium (anhören) ist ein chemisches Element mit dem Elementsymbol Os und der Ordnungszahl 76; im Periodensystem der Elemente steht es in der 8. Gruppe, der Eisengruppe. [100%] 2025-07-12
7. Osmium tetroxide: 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 and the rarity of osmium. (Chemistry) [70%] 2023-11-16 [Osmium compounds] [Transition metal oxides]...
8. Osmium iodides: Osmium iodide refers to compounds of osmium with the formula OsIn. Several have been mentioned in the literature, but all iodides except the tetraiodide have been verified by X-ray crystallography. [70%] 2023-08-28 [Osmium compounds] [Iodides]...
9. Osmium pentacarbonyl: Osmium pentacarbonyl is the organoosmium compound with the formula Os(CO)5. It is the simplest isolatable carbonyl complex of osmium. (Chemistry) [70%] 2022-07-27 [Organoosmium compounds] [Carbonyl complexes]...
10. Osmium pentafluoride: Osmium pentafluoride is an inorganic compound with the formula OsF5. It is a blue-green solid. [70%] 2023-12-20 [Osmium compounds] [Fluorides]...
11. Osmium hexafluoride: Osmium hexafluoride, also osmium(VI) fluoride, (OsF6) is a compound of osmium and fluorine, and one of the seventeen known binary hexafluorides. Osmium hexafluoride is made by a direct reaction of osmium metal exposed to an excess of elemental fluorine ... (Chemistry) [70%] 2024-02-05 [Osmium compounds] [Hexafluorides]...
12. Osmium tetrabromide: Osmium tetrabromide is the inorganic compound with the formula OsBr4. A black solid, this compound can be produced by heating osmium tetrachloride and bromine under pressure. (Chemistry) [70%] 2022-09-13 [Bromides] [Platinum group halides]...
13. Osmium pentacarbonyl: Osmium pentacarbonyl is the organoosmium compound with the formula Os(CO)5. It is the simplest isolatable carbonyl complex of osmium. [70%] 2022-09-05 [Organoosmium compounds] [Carbonyl complexes]...
14. Osmium octafluoride: 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 hypothetical compound. [70%] 2023-09-07 [Osmium compounds] [Fluorides]...
15. Osmium pentafluoride: Osmium pentafluoride is an inorganic compound with the formula OsF5. It is a blue-green solid. (Chemistry) [70%] 2024-02-27 [Osmium compounds] [Fluorides]...
16. Osmium tetrasulfide: Osmium tetrasulfide is an inorganic compound, a salt of osmium metal and hydrogen sulfide acid with the chemical formula OsS4. Osmium tetrasulfide can be made by passing hydrogen sulfide through acidified solutions of osmium tetroxide: Osmium tetrasulfide forms dark brown ... (Chemistry) [70%] 2024-09-02 [Osmium compounds] [Sulfur compounds]...
17. Osmium (homonymie): Cette page d’homonymie répertorie les différents sujets et articles portant le même nom. L'osmium désigne l'élément chimique noté Os de numéro atomique 76, ainsi que le corps simple correspondant, souvent extrait du platine brut. (Homonymie) [70%] 2025-07-01
18. Osmium (album): 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 that is more similar to early Funkadelic than the later R&B-inspired Parliament ... (Album) [70%] 2025-07-01 [1970 debut albums] [Parliament (band) albums]...
19. Osmium dioxide: 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 metallic conductivity. [70%] 2025-07-07 [Osmium compounds] [Transition metal oxides]...
20. Osmium natif: L'osmium natif est une espèce minérale naturelle, corps simple métallique, extrêmement dense et très rare de formule chimique Os, correspondant à l'élément chimique osmium noté Os. L'osmium appartient à la classe minéralogique des éléments natifs, en particulier il s'agit ... [70%] 2025-07-08
21. Osmium borides: Osmium borides are compounds of osmium and boron. Their most remarkable property is potentially high hardness. [70%] 2025-07-07 [Osmium compounds] [Borides]...
22. Isotopes of osmium: Osmium (76Os) has seven naturally occurring isotopes, five of which are stable: Os, Os, Os, Os, and (most abundant) Os. The other natural isotopes, Os, and Os, have extremely long half-life (1.12×10 years and 2×10 years ... (Software) [57%] 2022-09-27 [Isotopes of osmium] [Osmium]...
23. Rhenium–osmium dating: Rhenium–osmium dating is a form of radiometric dating based on the beta decay of the isotope Re to Os. This normally occurs with a half-life of 41.6 × 10 y, but studies using fully ionised Re atoms have ... (Physics) [57%] 2023-11-03 [Radiometric dating] [Rhenium]...
24. Osmium(III) chloride: Osmium(III) chloride is an inorganic chemical compound of osmium metal and chlorine with the chemical formula OsCl3. Osmium(III) chloride could be made by a reaction of chlorine with osmium at 100–500 °C: Osmium(III) chloride can be ... (Chemistry) [57%] 2023-08-26 [Osmium compounds] [Chlorides]...
25. Osmium(III) bromide: Osmium(III) tribromide is a binary inorganic compound with the chemical formula OsBr3. Decomposition of osmium tetrabromide under vacuum heating: The compound forms dark-grey crystals. [57%] 2024-08-25 [Bromides] [Platinum group halides]...
26. Osmium(V) chloride: Osmium(V) chloride is an inorganic chemical compound of osmium metal and chlorine with the chemical formula OsCl5. Osmium(V) chloride can be obtained in small amounts by reacting osmium hexafluoride with excess boron trichloride: It can also be obtained ... [57%] 2025-07-01 [Osmium compounds] [Chlorides]...
27. Osmium(IV)-chlorid: Osmium(IV)-chlorid ist eine anorganische chemische Verbindung des Osmiums aus der Gruppe der Chloride. Sie wurde zuerst 1909 synthetisiert. [57%] 2025-07-01
28. Osmium(VIII)-sulfid: Osmium(VIII)-sulfid oder Osmiumtetrasulfid (OsS4) ist eine anorganische chemische Verbindung des Osmiums aus der Gruppe der Sulfide. Es handelt sich hierbei um einen dunkelbraunen, kristallinen Feststoff, der sich beim Schmelzen zersetzt. (VIII) [57%] 2025-07-01
29. Osmium(IV)-fluorid: Osmium(IV)-fluorid ist eine chemische Verbindung des Osmiums aus der Gruppe der Fluoride. Osmium(IV)-fluorid kann durch Reaktion von Osmium(VI)-fluorid mit Wolframhexacarbonyl gewonnen werden. [57%] 2025-07-01
30. Osmium(III)-chlorid: Osmium(III)-chlorid ist eine anorganische chemische Verbindung des Osmiums aus der Gruppe der Chloride. Osmium(III)-chlorid entsteht bei der Chlorierung von Osmium bei höheren Temperaturen und bei rascher Abkühlung der Dämpfe, wobei auch Osmium(IV)-chlorid entsteht. [57%] 2025-07-01