Trends in Physical Properties of Group 17 Elements
During the period 1811-1886, the halogens were discovered. They are non-metallic elements such as: Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I) and astatine (At) which are the members of the halogen family. This family constitutes the group 17 of the periodic table. The word halogens have been derived from the Greek word “Halo” that … Read more