Concept information
Terme préférentiel
ozone
Définition(s)
- Ozone, or trioxygen, is an inorganic molecule with the chemical formula O₃. It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope O₂, breaking down in the lower atmosphere to O₂ (dioxygen). Ozone is formed from dioxygen by the action of ultraviolet (UV) light and electrical discharges within the Earth's atmosphere. It is present in very low concentrations throughout the latter, with its highest concentration high in the ozone layer of the stratosphere, which absorbs most of the Sun's ultraviolet (UV) radiation. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Ozone)
Concept(s) générique(s)
Synonyme(s)
- Trioxygen
Traductions
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français
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Trioxygène
URI
http://data.loterre.fr/ark:/67375/MDL-ZMTJ3L3S-2
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