Answer:
A main similitary all the elments have in that group is they all have 2 valance electrons
Explanation:
Explanation:
As it is known that elements present in group 2 are also known as alkaline earth metals.
Elements that belong to this group are beryllium, magnesium, calcium, strontium, barium, and radium.
Since, all of them are placed in group 2 this means that all these elements have 2 valence electrons.
Hence, all these elements will also have similar chemical properties.
