Alkali Metals - Research Article from World of Chemistry

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The alkali metals are lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr). All of the alkali metals are found in group IA (1) of the periodic table of the elements.

Because chemical properties are determined by the outer electron configuration of elements, it is important to note that the valence (outer) shell of all alkali metals contains a lone s1 electron. Lithium has a 2s1 outermost electron. Sodium has a 3s1 outermost electron. Potassium has a 4s1 outermost electron. Rubidium has a 5s1 outermost electron. Cesium has a 6s1 outermost electron. Francium has a 7s1 outermost electron.

All of the alkali metals seek to lose their outermost s1 electron in to achieve the electron configuration of the nearest noble gas. Because they lose their valence electron easily, these elements are very reactive. In nature, alkali metals are found only as ions (charged...

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This section contains 1,667 words
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Buy the Alkali Metals Encyclopedia Article
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Alkali Metals from Gale. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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