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Lithium Element Project.

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by

Emmale Little

on 29 October 2012

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Transcript of Lithium Element Project.

Lithium.
(greek for stone)
Symbol- Li
Atomic Number- 3
Atomic Mass- 7 amu.
Atomic Radius- 146 A. Lithium is part of the Alkali metal family. & has a charge of +1. Lithium is a metal, & it is a solid. Johan August Arfwedson, discovered Lithium in 1817, in Sweden. The basics of Lithium. Physical Properties of Lithium: -Soft enough to be cut with a knife. When cut, it possesses a silvery-white color that quickly changes to gray due to oxidation.
-Melting point of 180.54°C
-Boiling point of about 1,335°C
Chemical Properties of Lithium. Lithium is an active element, but not as active as the other alkali metals. It reacts slowly with water at room temperature and more rapidly at higher temperatures. Lithium does not react with oxygen at room temperature, but above 100°C does so to form lithium oxide.


Places discovered, and or mined. - South Andes.
- Plateau of western China.
- Tibet.
- Russia
- Western Australia.
- Bolivia
- Southern California.

What Lithium is used for: Lithium is used for heat transfer applications, used for an alloying agent, for organic compounds, used in battery anodes,
lubricants, and greases, rocket propellants, additions for ceramics and glass, alloying additions for aluminum and magnesium Issues with Lithium: Can cause thyroid, and kidney problems, and weight gain Common reactions: Lithium metals reacts slowly with water to form a colorless solution of lithium hydroxide and hydrogen gas. The resulting solution is basic because of the dissolved hydroxide. Lithium metal reacts violently with all the halogens to form lithium halides. So, it reacts with fluorine, chlorine, bromine, and iodine. Lithium metal dissolves readily in dilute sulfuric acid to form solutions containing the ion together with hydrogen gas. Interesting facts about Lithium- -Lithium is the only alkali metal that reacts with nitrogen.

-Today lithium carbonate – or more precisely the lithium ions in lithium carbonate – are used to inhibit the manic phase of bipolar (manic-depressive) disorder.

-Compounds of lithium give fireworks and flares a red color.

-Lithium can be combined with other metals (usually aluminum, cadmium, copper or manganese) to make airplane parts. Thanks for watching!
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