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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

    Nov 27, 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. WebElements Periodic Table » Cobalt » the essentials

    Cobalt is a brittle, hard, silver-grey transition metal with magnetic properties similar to those of iron (ferromagnetic). Cobalt is present in meteorites. Ore deposits are found in Zaire, Morocco and …

  5. Cobalt Facts and Physical Properties - ThoughtCo

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

  6. Cobalt Element Facts - chemicool.com

    Since ancient times cobalt compounds have been used to produce blue glass and ceramics. The element was first isolated by Swedish chemist George Brandt in 1735. He showed it was the …

  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 - 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 …

  9. COBALT Definition & Meaning - Merriam-Webster

    The meaning of COBALT is a magnetic metallic element that is used especially in alloys, in batteries, and as a pigment in paint and glass. Did you know?

  10. Cobalt - Simple English Wikipedia, the free encyclopedia

    People need cobalt compounds in small amounts, but cobalt is toxic in large quantities. Sometimes cobalt compounds were added to beer, and people that drank it were poisoned.