Question

element in the halogen family belonging to 17 group in the periodic table show similarity in their properties

Answer 1

Halogen element, any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements arefluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).