LITHIUM

The lithium is a chemical element of symbol Li and atomic number 3. In the periodic table, 1 is in the group, between the alkaline elements. In his pure form, it is a soft metal, of white color silver, which oxidizes rapidly in air or water. It is the most light solid element and uses specially in conductive alloys of the heat, in electrical batteries and, his you go out, in the treatment of certain types of depression. The lithium is the most light metal.
Does lithium take his name of the Greek λίθoς -ου "stone". The name of the element comes from the fact from having been an overdraft in a mineral, whereas the rest of the alkaline metals were discovered in fabrics of plants.
The lithium was discovered by Johann Arfvedson in 1817. Arfvedson found the new element in the espodumena and lepidolita of a mine of petalita.
The estearato of lithium is a lubricant of general intention in applications to high temperature. Also it is in use in the shape of gases in psychiatry.
The Lithium, close to the hydrogen and the helium, is one of the only elements obtained in the Big Bang.

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