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.

2025年2月28日 · osmium (Os), chemical element, one of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table and the densest naturally occurring element. A gray-white metal, osmium is very hard, brittle, and difficult to work, even at high temperatures.

Osmium is a Nobel metal and belongs to the platinum family. It is the densest and corrosion-resistant element. It was discovered in 1803. Osmium has an intertwined history with platinum and dates to the late 17 th century.

2023年11月18日 · Osmium is an extremely hard and dense metallic element with symbol Os and atomic number 76. Although it is a rare element, you encounter it in daily life in ballpoint pens and electrical contacts. English chemist Smithson Tennant discovered osmium and iridium in a sample of platinum ore in 1803.

Element Osmium (Os), Group 8, Atomic Number 76, d-block, Mass 190.23. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Osmium is a lustrous & silvery metal taking a spot in the periodic table with an atomic number of 76. Learn the uses of osmium, density of osmium & many more.

Osmium (pronounced as OZ-mee-em) belongs to the family of transition metals and denoted by the chemical symbol Os. It has thirty-four isotopes out of which seven occur naturally with osmium-92 having an abundance of 40.78% in the earth’s crust [1, 3].

Osmium is a chemical element with symbol Os and atomic number 76. Classified as a transition metal, Osmium is a solid at room temperature. [Xe]6s 2 4f 14 5d 6. J.C. Slater, J Chem Phys, 1964, 41 (10), 3199-3205. DOI:10.1063/1.1725697.

osmium, Metallic chemical element, chemical symbol Os, atomic number 76. It was discovered in 1804. Its name derives from the Greek word for “odour,” for the unpleasant smell of some of its compounds. This gray-white metal is the densest naturally occurring element. Osmium is very hard, brittle, and difficult to work, even at high temperatures.

Osmium | Os | CID 23937 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.