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Alkali metal

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The alkali metals are a group (column) in the periodic cairt conseestin o the chemical elements lithium (Li), sodium (Na), potassium (K),[note 1] rubidium (Rb), caesium (Cs),{{refn|Caesium is the spellin recommendit bi the Internaitional Union o Pure an Applee'd Chemistry (IUPAC).[1]

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  1. The seembols Na an K for sodium an potassium are derived frae their Laitin names, natrium an kalium; thir are still the names for the elements in some leids, such as German an Roushie.

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