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 …

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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.

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

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. …

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 …

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

Cobalt occurs in the minerals cobaltite, smaltite, and erythrite, and is often associated with nickel, silver, lead, copper, and iron ores, from which it is most frequently obtained as a by-product.

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.