Kemiallinen merkki: Cl
Järjestysluku: 17
Kategoria: halogeenit
Ryhmä: 17
Jakso: 3
Lohko: p
Moolimassa: 35,453 g/mol
Elektronia kuorilla: 2, 8, 7
CAS-numero: 7782-50-5
Olomuoto: kaasu
Tiheys: 3,2 g/l (0 °C, 101,325 kPa)
Sulamispiste: 171,6 K (-101,5 °C, -150,7 °F)
Kiehumispiste: 239,11 K (-34,4 °C, -29,27 °F)
Kiderakenne: orthorhombic
Hapetusluvut: -1, 1, 3, 5, 7
Elektronegatiivisuus: 3,16 (Pauling-asteikko)
Nimen alkuperä: chloros
Nimen tarkoitus: a Greek word which means 'green-yellow' - chlorine has a green-yellow color
- is abundant in nature and necessary to most forms of life, including humans
- is part of common salt and other compounds
- is a powerful oxidant and is used in bleaching and disinfectants
- as a common disinfectant, chlorine compounds are us
- in the upper atmosphere, chlorine-containing molecules have been implicated in the destruction of the ozone layer
- is used in making plastics, solvents for dry cleaning and metal degreasing, textiles, agrochemicals and pharmaceuticals, ins
- is a toxic gas that irritates the respiratory system
- when chlorine is inhaled at concentrations above 30ppm it begins to react with water and cells which change it into hydrochloric acid (HCl) and hypochlorous acid (HClO)