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 reductive smelting, is …

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 (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 rechargeable …

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. This silver …

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

The metal itself in relatively pure form was not produced and described until the 17th century, when "cobalt," with its first letter influenced by New Latin cobaltum, became part of the international …

- 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, and pigments. - …

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 active and …

6 days ago · U.S. cobalt security is threatened by severe price volatility driven by PRC oversupply, which has pushed Western mines—including the only U.S. cobalt mine—offline. The United States …