Why alkali metals do not occur free in nature
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Alkali metals are the first group in the periodic table. They are never found in nature uncombined because they are unstable and they react fast to other elements. They bond well with all elements except the noble gases
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Answer: Alkali Metals belong to group 1 of Periodic Table. They have one
electron in last or valence shell and are highly electropositive
and have low value of Ionisation enthalpy. So the removal of last
electron to form a cation(positively charged ion) is very easy and
needs less energy as compared to other elements. As a result of
this Alkali metals are highly reactive and readily form ionic
compounds. Due to this they react with other elements or compounds
and form ionic compound. Hence, they are found in their compounds
and not in free state.
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