WebFeb 15, 2024 · Osmium is a hard, gray, toxic metal that belongs to the platinum group metals. Osmium is one of the densest elements in the world that emits a strong odor. Osmium metal can be combined with other metals like platinum to make them harder. The chemical compound osmium tetroxide can actively irritate the skin, eyes, and lungs. … Osmium forms compounds with oxidation states ranging from −4 to +8. The most common oxidation states are +2, +3, +4, and +8. ... The most common compound exhibiting the +8 oxidation state is osmium tetroxide. This toxic compound is formed when powdered osmium is exposed to air. ... Osmium is found in … See more Osmium (from Ancient Greek ὀσμή (osmḗ) 'smell') is a chemical element with the 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 … See more Osmium is the least abundant stable element in Earth's crust, with an average mass fraction of 50 parts per trillion in the continental crust See more Because of the volatility and extreme toxicity of its oxide, osmium is rarely used in its pure state, but is instead often alloyed with other metals for high-wear applications. … See more Physical properties Osmium has a blue-gray tint and is the densest stable element; it is approximately twice as dense as See more Osmium was discovered in 1803 by Smithson Tennant and William Hyde Wollaston in London, England. The discovery of … See more Osmium is obtained commercially as a by-product from nickel and copper mining and processing. During electrorefining of copper and nickel, noble metals such as silver, gold and the … See more Bulk osmium metal is not very toxic or reactive. Instead, the most important safety concern is the potential for the formation of … See more
Chemistry of Cadmium - Chemistry LibreTexts
WebJul 3, 2024 · Properties: Osmium has a melting point of 3045 +/- 30 °C, boiling point of 5027 +/- 100°C, specific gravity of 22.57, with a valence usually +3, +4, +6, or +8, but sometimes 0, +1, +2, +5, +7. It is a lustrous blue-white metal. It is very hard and remains brittle even at high temperatures. Osmium has the lowest vapor pressure and highest melting point of … WebOsmium Os CID 23937 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards ... screenplay of heneral luna
Osmium - ScienceDirect
WebList of Osmium Compounds, Common Compounds of Osmium Os, Formula, Molecular Weight. ENDMEMO. Chem » Common » Common Compounds of Osmium Os [Os +2, Os +3, Os +4] Compound Name. Formula. Molar Mass. Osmium(IV) Nitrate. Os(NO3)4. 438.2496. Osmium(III) Oxide. Os2O3. 428.4582. osmium(VI) Oxide. OsO3. 238.2282. … WebNo such luck for the bluish-silver substance he found at the same time : it reeked - or at least some of its compounds did. Tennant described the "pungent and penetrating smell" … WebProperties Chemical properties. Osmium forms compounds with oxidation state from -2 to 8.It is slightly attacked by aqua regia, and by fuming nitric acid, and it is attacked by … screenplay opening