Cobalt | Uses, Properties, & Facts | Britannica
WEBMar 18, 2024 · cobalt (Co), chemical element, ferromagnetic metal of Group 9 (VIIIb) of the periodic table, used especially for heat -resistant and magnetic alloys. The metal was isolated (c. 1735) by Swedish chemist Georg Brandt, though cobalt compounds had been used for centuries to impart a blue colour to glazes and ceramics.
Cobalt - Wikipedia
WEBCobalt is a chemical element; it has symbol Co and atomic number 27. As with nickel, cobalt is found in the Earth's crust only in a chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silvery metal .
Cobalt - Element information, properties and uses | Periodic Table
WEBElement Cobalt (Co), Group 9, Atomic Number 27, d-block, Mass 58.933. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content
Cobalt Facts and Physical Properties - ThoughtCo
WEBAug 17, 2021 · Properties. Cobalt has a melting point of 1495°C, boiling point of 2870°C, specific gravity of 8.9 (20°C), with a valence of 2 or 3. Cobalt is a hard, brittle metal. It is similar in appearance to iron and nickel. Cobalt has …
Cobalt | History, Uses, Facts, Physical & Chemical Characteristics
WEBDefinition, mass & chemical names. Cobalt is transition metal and was discovered in pure form in 1735. It is essential part of vitamin B12. Its compounds are known as cobalt blue used to color pottery and glass. History and Discovery. Cobalt has been used as a coloring agent since Bronze Age.
Cobalt powers our lives. What is it—and why is it so controversial?
WEBDecember 21, 2023. Cobalt is essential for powering our modern technology. The metal is commonly used to make lithium-ion batteries, which are found in items such as electric vehicles, computers,...
Cobalt Statistics and Information | U.S. Geological Survey - USGS.gov
WEBBy National Minerals Information Center. Statistics and information on the worldwide supply of, demand for, and flow of the mineral commodity cobalt. Cobalt (Co) is a metal used in numerous diverse commercial, industrial, and military applications, many of which are strategic and critical. On a global basis, the leading use of cobalt is in ...
Facts About Cobalt | Live Science
WEBFeb 5, 2015 · Atomic symbol (on the Periodic Table of Elements ): Co. Atomic weight (average mass of the atom): 58.933195. Density: 8.86 grams per cubic centimeter. Phase at room temperature: Solid. Melting...
cobalt summary | Britannica
WEBcobalt, Metallic chemical element, one of the transition element s, chemical symbol Co, atomic number 27. Widely dispersed in small amounts in many minerals and ores, this magnetic, silvery white metal with a faint bluish tinge is used mostly for special alloys (e.g., alnico, tool steel) with exacting applications.
Cobalt is in demand, so why did America's only cobalt mine …
WEBDec 14, 2023 · Economy. Cobalt is in demand, so why did America's only cobalt mine close? Updated December 14, 20235:04 PM ET. Heard on Morning Edition. By. Stacey Vanek Smith. , Eric Whitney. 3-Minute...
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