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cobalt
[koh-bawlt]
noun
a silver-white metallic element with a faint pinkish tinge, occurring in compounds whose silicates afford important blue coloring substances for ceramics. Co; 58.933; 27; 8.9 at 20°C.
cobalt
/ ˈəʊɔː /
noun
a brittle hard silvery-white element that is a ferromagnetic metal: occurs principally in cobaltite and smaltite and is widely used in alloys. The radioisotope cobalt-60 , with a half-life of 5.3 years, is used in radiotherapy and as a tracer. Symbol: Co; atomic no: 27; atomic wt: 58.93320; valency: 2 or 3; relative density: 8.9; melting pt: 1495°C; boiling pt: 2928°C
cobalt
A silvery-white, hard, brittle metallic element that occurs widely in metal ores. It is used to make magnetic alloys, heat-resistant alloys, and blue pigment for ceramics and glass. Atomic number 27; atomic weight 58.9332; melting point 1,495°C; boiling point 2,900°C; specific gravity 8.9; valence 2, 3.
See Periodic Table
51Թ History and Origins
51Թ History and Origins
Origin of cobalt1
Example Sentences
If these aren't not disposed of properly, they can leak toxic compounds such as cobalt and copper.
Within two decades, they will make up almost 90% of the demand for lithium, 70% of the demand for cobalt, and 40% for rare earths, according to the International Energy Agency.
Deposits of copper, lead, zinc, silver, nickel, cobalt and manganese are also significant.
China dominates the production of rare earths and critical metals like cobalt and lithium.
Albanese's proposed reserve includes rare earths as well as other critical minerals of which Australia is a top producer - like lithium and cobalt.
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