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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 (Co), chemical element, ferromagnetic metal of Group 9 (VIIIb) of the periodic table, used especially for heat -resistant and magnetic alloys.

  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 chemical element with the symbol Co and atomic number 27. It is a part of the transition metals group and can be found naturally in the earth's crust in various mineral forms. …

  7. 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].

  8. 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 …

  9. Cobalt Facts and Physical Properties - ThoughtCo

    Jun 10, 2025 · Get periodic table facts on the chemical and physical properties of the element cobalt.

  10. 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, …