'''Chlorine''' is in Group 7 of the periodic table, making it a [[halogen]] along with such elements as [[fluorine]], [[bromine]] and [[iodine]]. It has an atomic number of 17. Like other halogens, it is reactive to most metals and is never found free in nature. It will always be found in a compound, and even after it effervesces from an electrolyzed solution, it will form a compound consisting of two chlorine atoms bonded together. | '''Chlorine''' is in Group 7 of the periodic table, making it a [[halogen]] along with such elements as [[fluorine]], [[bromine]] and [[iodine]]. It has an atomic number of 17. Like other halogens, it is reactive to most metals and is never found free in nature. It will always be found in a compound, and even after it effervesces from an electrolyzed solution, it will form a compound consisting of two chlorine atoms bonded together. |