ReactivityApplicationsSources and Extraction

Lithium is a rare element found primarily in molten rock and saltwater in very tiny amounts. The is construed to be non-vital in human organic processes, although it is used in many drug treatments due to its positive impacts on the person brain. Since of its reactive properties, humans have utilized lithium in batteries, nuclear blend reactions, and thermonuclear weapons.


Lithium was an initial identified together a component of the the mineral petalite and also was found in 1817 by Johan august Arfwedson, however not isolated until some time later by W.T. Brande and also Sir Humphry Davy. In its mineral forms it accounts for just 0.0007% that the earth"s crust. That compounds are provided in details kinds that glass and also porcelain products. Much more recently lithium has become important in dry-cell batteries and nuclear reactors. Part compounds of lithium have actually been offered to law manic depressives.

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Lithium is one alkali metal with the atomic number = 3 and an atomic mass that 6.941 g/mol. This way that lithium has 3 protons, 3 electrons and also 4 neutron (6.941 - 3 = ~4). Being an alkali metal, lithium is a soft, flammable, and also highly reactive metal that often tends to type hydroxides. It also has a pretty low density and under conventional conditions, it is the least thick solid element.


Sources and Extraction

Lithium is most typically found an unified with aluminum, silicon, and also oxygen to type the minerals recognized as spodumene (LiAl(SiO3)2) or petalite/castorite (LiAlSi4O10). These have been found on each of the 6 lived in continents, but they are mined mainly in western Australia, China, and also Chile. Mineral resources of lithium are coming to be less essential, together methods have actually now been arisen to exploit the lithium salts found in saltwater.

Extraction indigenous minerals

The mineral develops of lithium space heated come a high sufficient temperature (1200 K - 1300 K) in order to crumble them and also thus permit for subsequent reactions to much more easily take place. After ~ this process, among three methods can be applied.

The usage of sulfuric acid and sodium lead carbonate to permit the iron and also aluminum to precipitate native the ore - indigenous there, much more sodium lead carbonate is used to the staying material enable the lithium come precipitate out, creating lithium carbonate. This is treated with hydrochloric mountain to form lithium chloride.The use of limestone to calcinate the ore, and then leaching v water, creating lithium hydroxide. Again, this is treated through hydrochloric mountain to kind lithium chloride.The usage of sulfuric acid, and also then leaching with water, creating lithium sulfate monohydrate. This is treated v sodium carbonate to kind lithium carbonate, and also then hydrochloric mountain to kind lithium chloride.

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The lithium chloride derived from any kind of of the three methods undergoes an oxidation-reduction reaction in one electrolytic cell, to different the chloride ions from the lithium ions. The chloride ions are oxidized, and the lithium ions space reduced.

\<2Cl^- - 2e^- \rightarrow Cl_2 \;\; \text(oxidation)\>


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