• May 23, 2026 Group 17 Halogens elements, offering a comprehensive overview for students and anyone interested in chemistry. 1. The Halogen Family Members: Properties and Trends The halogens include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Tennessine (Ts) is also consid By Daisy Braun-Nicolas