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 …

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.

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 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.

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. …

Oct 31, 2025 · cobalt (usually uncountable, plural cobalts) A chemical element (symbol Co) with an atomic number of 27: a hard, lustrous, silver-gray metal. Cobalt blue. quotations

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 …

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.

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 …

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].