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Uses of Cobalt
Cobalt is used in alloys for aircraft engine parts and in alloys with corrosion/wear resistant uses. Cobalt is widely used in batteries and in electroplating. Cobalt salts are used to impart blue and green colors in glass and ceramics.
(The radioactive cobalt is used for cancer treatments)
Common Compounds Containing Cobalt
Hazards and Precautions
Sulfate, Phosphate, Carbonate are a some examples of compounds using cobalt.
Discovery
Exposure to cobalt causes an asthma-like attack, with wheezing and Ingestion of cobalt may cause nausea, vomiting and (other gross stuff). . . Cobalt-60 is radioactive so you have to wear lots of protective clothing.
Pictures
Cobalt was discovered in 1735 by Swedish Chemist Georg Brandt. Brandt was trying to prove that the ability of certain minerals to color glass blue was due to an unknown element.
Meaning
"Cobalt" comes from the German word for Goblin,"Kobold", as well as the greek word for mine, "Cobalos".
Chemical Properties
Physical Properties
Cobalt is a brittle, hard, silver-grey transition metal with magnetic properties similar to those of iron (it is ferromagnetic). It has a high melting point and is hard-wearing even at high temperatures.
Atomic number
27
Atomic mass
58.9332 g.mol -1
Electronegativity according to Pauling
1.8
Density
8.9 g.cm-3 at 20°C
Melting point
1495 °C
Boiling point
2927 °C
Cobalt
Symbol: Co
Atomic number: 27
Atomic mass: 58.933
(Which rounds up to 59)
Melting point: 2,723°F (1,495°C)
Works Cited
Facts(?)
Cobalt is in Period 4 and group 9.
Belongs to the "transition metals"
Protons: 27
Neutrons: 32
Electrons: 27
http://www.chemicool.com/elements/cobalt.html
Mr.Moore