Question

Why are neither the alkali metals nor the alkaline-earth metals found uncombined in nature?

Answer 1

Heyya mate

They are highly reactive and will readily combine with oxygen to form oxides, or with other materials.

Ndd thus they are kept in kerosene

There is nothing uncombined.

They are forming compounds in nature...

Answer 2

they are not available in free state bcz they are highly reactive they always try to combine with other elements

hope u understand..this may help u