Cobalt Zebadiah Ford

Symbol: Co

Name: Cobalt

Atomic Number: 27

Number of protons, neutrons, and electrons: 27 protons, 32 neutrons, 27 electrons.

Atomic Mass: 58.933195 or 59.

Solid, Liquid, or Gas: Solid at 298k

Metal, Nonmetal, or Metalloid: Metallic

Who discovered it? George Brandt

When was it discovered? 1735 or either 1739.

How is it used? To change color of glass to a blueish tint, also used to make alloys for jet engines and gas turbines.

Physical Properties: Brittle, silver, Hard.

Chemical Properties: Reacts to acids, doesn't react to water, combines slowly with oxygen in the air.

Unusual Facts: Similar to Iron. It can be made magnetic. Is used for cancer treatments.


Created with images by EvelynGiggles - "blue goblets"

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