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  1. Cobalt - Wikipedia

    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 …

  2. Cobalt | Uses, Properties, & Facts | Britannica

    Sep 28, 2025 · 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 …

  3. Cobalt - Element information, properties and uses | Periodic Table

    Element Cobalt (Co), Group 9, Atomic Number 27, d-block, Mass 58.933. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  4. Cobalt Statistics and Information | U.S. Geological Survey

    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 …

  5. Cobalt - Arkansas

    Cobalt (Co) is a silvery gray metal which has a relatively high specific gravity (8.9), and is hard, ductile, malleable, and magnetic. Cobalt has diverse industrial and military applications.

  6. Cobalt: Definition, Meaning, and Significance Explained

    Cobalt is a fascinating transition metal that has captivated scientists and industries alike with its unique properties. As a hard, shiny, silver-white metal, cobalt plays a crucial role in various …

  7. About Cobalt - Cobalt Institute

    Cobalt is at the heart of many technologies that power and sustain modern life. It has strong magnetic and catalytic properties, high temperature and corrosion resistance, as well as …

  8. Cobalt Definition, Facts, Symbol, Discovery, Property, Uses

    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].

  9. Understanding Cobalt: Properties, Uses, and Applications

    - Cobalt is a hard, metallic element symbolized as Co with an atomic number of 27. - This transition metal is crucial for various applications, such as rechargeable batteries, superalloys, …

  10. Cobalt - HyperPhysics

    Cobalt is a silvery-white metal, with a slight reddish tinge. It occurs in the minerals smaltite and safflorite with the composition CoAs 2. Cobalt also forms an arsenide with the content CoAs 2 …