cobalt

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cobalt

• Cobalt
• 27
• co
• 58.93

by Alyx Guthrie
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Properties

• Boiling Point2,870C
• Melting Point1,735C
• Specific gravity8.9(20C)
• Cobalt is hard, brittle metal
• Similar in appearance to iron and nickel
• Has a magnetic permeability around 2/3 that of
  iron

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Uses

• Compounds are used in paint pigments
• Salts are used for the production of brilliant
  and permanent blue colors in porcelain, glass,
  pottery, tiles, and enamel
• Used in magnet steels and stainless steels
• Alloyed with iron, nickel, and other metals to
  make Alnico
• An alloy of unusual magnetic strength (jet
  engines and turbine engines)

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Facts About Cobalt

• Founded By Georg Brandt 1735,Sweden
• Origin of name from the German word meaning
  kobald meaning goblin or evil spirit
• Color Iustrous, metallic ,greyish tinge
• Minerals containing cobalt were of value to the
  early civilisations of Egypt and Mesopotamia for
  coloring glass deep blue

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Symbol Co
Basic Info.
Atomic num. 27
Cobalt
Atomic weight 58.9332
Color Iustrous ,metallic, Greyish tinge
Used in paint Pigments

Properties
Uses
Hard, brittle metal

Jet engines And turbine Engines
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Sources

• http//www.chemicool.com/
• http//www.webelements.com/
• Weblelements /scholar/elements/periodic-table/uses