Cobalt 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, somewhat brittle, gray metal. Cobalt-based blue pigments (cobalt blue) have been used since antiquity ...
Cobalt, metallic chemical element, one of the transition elements, atomic number 27. The metal is used especially for heat-resistant and magnetic alloys. A relatively large percentage of the world’s production goes into magnetic alloys such as the Alnicos for permanent magnets.
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 rechargeable battery electrodes. Superalloys, which are used to make parts for gas turbine engines, are another major use for cobalt.
Cobalt mining is the extraction of cobalt, a silvery-blue metal, from underground ore deposits. Most of the world’s cobalt comes from copper-cobalt ores in the Democratic Republic of the Congo (DRC), which accounts for 74% of global cobalt mine production. The metal is essential to rechargeable batteries, particularly the lithium-ion batteries that power electric vehicles and smartphones ...
Element Cobalt (Co), Group 9, Atomic Number 27, d-block, Mass 58.933. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Explore cobalt's properties, discovery, appearance, and characteristics with videos and images on Chemicool.
What is Cobalt Cobalt (pronunciation: KO-bolt) is a hard, lustrous silvery-blue element belonging to the group of transition metals, and it is represented by the chemical symbol Co [1, 2, 3]. It is chemically active and can form many compounds [4]. It is a ferromagnetic metal that can be magnetized and is alloyed with nickel and aluminum to produce powerful magnets [1, 4].