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Akem WashingtonAkem Washington
Group # 9
Discovered by Georg Brandt at 1735 in Sweden. He had been trying to demonstrate that the blue color of glass was because of a new element, cobalt, rather than bismuth, an element often found in the same locations as cobalt.
Cobalt Difluoride Formula=CoCl2
Cobalt Oxide Formula=Co0
Cobalt is known to improve rechargeable batteries and can be an important part of the battery systems of hybrid electric vehicles.
Fighting Cancer Cobalt can treat some forms of cancer
in the form of cobalt-60, a radioactive isotope of the element that produces gamma rays. Cobalt-60 can also be used to sterilize medical supplies.
Hard lustrous gray metal
minerals cobaltite, erythrite, and smaltite
Natural
Melting Point- 2723 °F Boiling Point-5301 °F
Solid
Chemically reactive stable in air and not affected by
water
The name cobalt comes from the German word kobalt , meaning evil spirit, the metal being so called by miners because it was poisonous.
Specific Heat (@20°C J/g mol): 0.456