Why are the member of first group known as alkali metals?
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All the elements present in the first group are known as alkali metals because they react with water to form soluble Hydroxide that are called alkalies.
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The group 1 of the periodic table contain six elements namely Lithium(Li), Sodium(Na),Potassium(K),Rubidium(Rb),Cesium(Cs) and Francium(Fr). These metals are called alkali metals because they form alkalies( i.e. strong bases capable of neutralizing acids) when they react with water. ... The word alkali means base.
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