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
Greek Cypriot name are found elsewhere, but are unusual, except in Cyprus where they are more highly concentrated. Examples include: "Βαρνάβας" (Barnabus), "Βερεγγάρια" (Berengaria), "Δωμέτιος" (Dometios), "Μάμας" (Mamas), "Μάριος" (Marios), "Νεόφυτος" (Neophytos). Greek Cypriot name Greek Cypriots may bear common Greek surnames, but there are some which are markedly Cypriot; there are some names which indicate place of birth or origin, or occupation, for example: "Παφίτης" (Paphitis), "from Paphos"; "Καϊμακλιώτης" (Kaimakliotis), "from Kaimakli"; "Σκαρπάρης" (Skarparis), "shoemaker"; "Κωμοδρόμος" (Komodromos), "smith". As most Cypriots used patronymics until independence when surnames became officially used in public registers, a similar process of creation of surnames took place