Final answer:
Fluorine belongs to the halogen family of elements in chemistry.
Step-by-step explanation:
The element that belongs to the halogen family is fluorine. Halogens are a group of highly reactive nonmetals that occupy Group 17 of the periodic table. They include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). These elements are known for their tendency to gain one electron to achieve a stable electron configuration.
Learn more about Halogen family of elements