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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 blue - Wikipedia

    Cobalt blue is a blue pigment made by sintering cobalt (II) oxide with aluminium (III) oxide (alumina) at 1200 °C. Chemically, cobalt blue pigment is cobalt (II) oxide-aluminium oxide, or …

  4. What does "Document Stack: Cobalt (Server Only)" mean?

    6 days ago · What the screenshot you provided shows is an internal label used by Microsoft to describe how Word is handling the document behind the scenes. Under normal …

  5. 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.

  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. About Cobalt - Cobalt Institute

    Cobalt is a critical and essential element used across various sectors of the global economy: electronics, automotive, aerospace, and healthcare.

  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]. It is chemically …

  9. Cobalt (Co) - Definition, Preparation, Properties, Uses, Compounds ...

    Jan 21, 2025 · With detailed examples, we’ll explore how cobalt’s unique properties fuel advancements in electronics, healthcare, and sustainable energy. Dive into the vibrant world …

  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 …