Cobalt - Wikipedia
Cobalt is a ferromagnetic metal with a specific gravity of 8.9. The Curie temperature is 1,115 °C (2,039 °F) [12] and the magnetic moment is 1.6–1.7 Bohr magnetons per atom. [13] Cobalt …
Cobalt | Uses, Properties, & Facts | Britannica
2025年1月6日 · cobalt (Co), chemical element, ferromagnetic metal of Group 9 (VIIIb) of the periodic table, used especially for heat -resistant and magnetic alloys. The metal was isolated …
Cobalt - Element information, properties and uses | Periodic ...
Cobalt is the metal at the centre of vitamin B 12 which helps regulate cell development and therefore DNA and energy production in the body. Cobalt has been known and used by people …
Cobalt Metal Characteristics - ThoughtCo
2019年8月13日 · Cobalt is a shiny, brittle metal that is used to produce strong, corrosion and heat-resistant alloys, permanent magnets and hard metals. Silver-colored cobalt metal is …
Cobalt | History, Uses, Facts, Physical & Chemical ...
Cobalt is transition metal and was discovered in pure form in 1735. It is essential part of vitamin B 12. Its compounds are known as cobalt blue used to color pottery and glass. History and …
Cobalt Facts and Physical Properties - ThoughtCo
2021年8月17日 · Cobalt has a melting point of 1495°C, boiling point of 2870°C, specific gravity of 8.9 (20°C), with a valence of 2 or 3. Cobalt is a hard, brittle metal. It is similar in appearance to …
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 …
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