Why group 1 elements are called alkali metals?
Why Group 2 elements are called alkali earth metals?

1. Hydroxides of group 1 metals are water soluble bases , thus they are called alkali metals.

2.Hydroxides of group 2 metals are also water soluble bases and they are found in earth crust , thus they are called alkali earth metals.


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Group1 elements are called alkali metals because the hydroxides of these elements are soluble in water and they are Basic(alkaline)in nature.

Group2 elements are called alkaline earth metals because their earths(old name for oxides) are basic (alkaline)manyof the group2 elements are extracted from the earth

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