Halogens belong to Group 7, which is found in column 17 of the periodic chart.
Halogens are the most severe elements in terms of grabbing a single electron from another atom to occupy their outermost shell.
Because of their propensity to denature organic dyes and germs, they are classified as hard oxidizing agents, and their constituents are classified as bleaches and antiseptics.
Fluorine (), Chlorine (), Bromine (), Iodine (), Astatine (), and Tennessine () are the elements.