معلومات المقرر

The halogens family comprises elements from column 17 of the periodic table: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At), with astatine being an unstable, radioactive element. The term "halogen" is derived from the Greek word "hals," meaning salt, and is associated with their ability to form salts.