Antimony belongs to the chemical elements belonging to Group 15 i.e. Pnictogens family. Phosphorus, Bismuth, Nitrogen and arsenic are other members of group XV of...
Magnesium belongs to the chemical elements belonging to Group 2 i.e. alkaline earth metals. Calcium, Strontium, Beryllium and Radium are other members of group II...
Calcium belongs to the chemical elements belonging to Group 2A i.e. Alkaline Earth Metals. Strontium, Beryllium, Magnesium and Radium are other members of group II...