chlorine (Cl), chemical element, the second lightest member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. Chlorine is a toxic, corrosive, greenish yellow gas that is irritating to the eyes and to the respiratory system.
Which element is CI?
Chlorine - Element information, properties and uses | Periodic Table.
Is CL an element metal?
Chlorine is a non-metal.