Differentiate between alkali metal and alkaline earth metal

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Solution

Alkali metals
Alkaline earth metals
The elements are present in the first group of the periodic table.
The elements are present in the second group of the periodic table
They have the electronic configuration ns¹
They have the electronic configuration ns²
Alkali metal have +1 ionic charge in their compounds
Alkaline earth metal have +2 ionic charge
Alkali metals are more reactive than alkaline earth metals
Alkaline earth metals are less reactive than alkali metals.
Alkali metals are very soft they can be cut with a sharp knife
Alkaline earth metals are harder than alkali metal
They have an electron in their outermost shell
They have two electrons in their outermost shell

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Alkali metals	Alkaline earth metals
The elements are present in the first group of the periodic table.	The elements are present in the second group of the periodic table
They have the electronic configuration ns¹	They have the electronic configuration ns²
Alkali metal have +1 ionic charge in their compounds	Alkaline earth metal have +2 ionic charge
Alkali metals are more reactive than alkaline earth metals	Alkaline earth metals are less reactive than alkali metals.
Alkali metals are very soft they can be cut with a sharp knife	Alkaline earth metals are harder than alkali metal
They have an electron in their outermost shell	They have two electrons in their outermost shell