The Chlorine page 17 Cl Chlorine 35.45 .
Chlorine is found as a heavy yellowish green gas .
Was Discovered by the Swedish chemist CW Sheele in 1774 Used for bleaching, oxidizing, disinfectant, and water purification. This is a halosen element is isolated oxidizing agent. Harmful to humans if swallowed in large amounts or if it gets in your eyes. Is a gas. Atomic number is 17. .Reacts to salt.