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Cobalt - Notable characteristics

Cobalt - Notable characteristics: Encyclopedia II - Cobalt - Notable characteristics

Cobalt is a hard ferromagnetic silver-white element. The Curie temperature is of 1388 K with 1.6~1.7 Bohr magnetons per atom. It is frequently associated with nickel, and both are characteristic ingredients of meteoric iron. Mammals require small amounts of cobalt salts. Cobalt-60, an artificially produced radioactive isotope of cobalt, is an important radioactive tracer and cancer-treatment agent. Cobalt has a relative permeability two thirds that of iron. Metallic cobalt commonly presents a mixture of two crystallographic structures hcp and fcc with a transition temperature hcp→fcc of 722 K. Common oxidation states of ...

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Cobalt, Cobalt - Notable characteristics, Cobalt - Applications, Cobalt - Use in medicine, Cobalt - History, Cobalt - Biological role, Cobalt - Occurrence, Cobalt - Compounds, Cobalt - Isotopes, Cobalt - Precautions

Cobalt, Cobalt - Applications, Cobalt - Biological role, Cobalt - Compounds, Cobalt - History, Cobalt - Isotopes, Cobalt - Notable characteristics, Cobalt - Occurrence, Cobalt - Precautions, Cobalt - Use in medicine, Benjamin Wegner

Cobalt: Encyclopedia II - Cobalt - Notable characteristics

Cobalt - Notable characteristics

Cobalt is a hard ferromagnetic silver-white element. The Curie temperature is of 1388 K with 1.6~1.7 Bohr magnetons per atom. It is frequently associated with nickel, and both are characteristic ingredients of meteoric iron. Mammals require small amounts of cobalt salts. Cobalt-60, an artificially produced radioactive isotope of cobalt, is an important radioactive tracer and cancer-treatment agent. Cobalt has a relative permeability two thirds that of iron. Metallic cobalt commonly presents a mixture of two crystallographic structures hcp and fcc with a transition temperature hcp→fcc of 722 K.

Common oxidation states of cobalt include +2, and +3, though +1 is also seen.

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Adapted from the Wikipedia article "Notable characteristics", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki

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