Answer :
Fluorine
It is the most active element
Halogens are the 2nd left column which include fluorine, chlorine, bromine, Iodine, and astatine
Halogen means salt forming because these elements react with metals to produce salt such as KCl
It is the most active element
Halogens are the 2nd left column which include fluorine, chlorine, bromine, Iodine, and astatine
Halogen means salt forming because these elements react with metals to produce salt such as KCl