Answer:
[tex]\huge\boxed{\sf Option \ B}[/tex]
Explanation:
Alkaline Earth Metals are those elements that are found in group II of the periodic table. While seeing at the periodic table, we come to know that Magnesium is an Alkaline Earth Metal because it belongs to group II of the periodic table.
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
~AH1807
