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
Shades of Green (resort) guests. In 1996, the resort was purchased outright, for $43 million, due to the high success of the resort, although Disney still owns the land on which the resort sits. The resort was renamed Shades of Green. Since its opening, it has been running at or near 100% capacity. The name of the resort refers to the colors of the different uniforms. While all services have different colored Class A Uniforms, all war-fighting uniforms have some shade of green. The resort previously had a small cafe located near the lobby called Cafe Belle and a lounge called the Back Porch.