Period 3 element in 1810, who named it chlorine, from the Greek word χλωρος (chlōros), meaning "green-yellow." Chlorine is a component of various compounds, including table salt. It is the second most abundant halogen and 21st most abundant chemical element in Earth's crust. The great oxidizing potential of chlorine led it to its bleaching and disinfectant uses, as well as uses of an essential reagent in the chemical industry. As a common disinfectant, chlorine compounds are used in swimming pools to keep them clean and sanitary. In the upper atmosphere, chlorine-containing molecules such as chlorofluorocarbons have been implicated in ozone depletion. "Argon" (symbol
The Fifth Element humanoid woman who takes the name Leeloo. Terrified of the unfamiliar surroundings, she breaks out of confinement and jumps off a high ledge, crashing into the flying taxicab of Korben Dallas, a former major in the special forces. Dallas delivers Leeloo to Cornelius and his apprentice, David, and it is revealed that she is the Fifth Element. Cornelius learns from her that the element stones were not on the Mondoshawans' ship, but had been entrusted to an alien opera singer, the diva Plavalaguna. Zorg kills many of the Mangalores for their failure to obtain the stones, but the survivors determine