Halogens

Halogens (fluorine, chlorine, bromine, iodine, astatine) are nonmetal elements that are highly electronegative and reactive.

Halogens are highly reactive and can form hydrogen halides, metal halides, organic halides, interhalogens, and polyhalogenated compounds.

Although halogens and their compounds can be toxic, some are essential for the human body's functioning and are used in everyday products.