Differentiate between alkali metal and alkaline earth metal

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