Oxygen

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A trickle of liquid oxygen is deflected by a magnetic field, illustrating its paramagnetic property

Oxygen ( ) is a chemical element with symbol O and atomic number 8. Its name derives from the Greek roots ὀξύς (oxys) ("acid", literally "sharp", referring to the sour taste of acids) and -γόνος (-gοnos) ("producer", literally "begetter"), because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a very pale blue, odorless, tasteless diatomic gas with the formula . This compound is an important part of the atmosphere, and is necessary to sustain terrestrial life.

• See also: Wikipedia

• Related: Hypoxia (environmental), Hypoxia (medical), Limiting oxygen concentration, Nebulium, Optode, Oxygen plant, Oxygen sensor

Oxidizing Agents > Oxygen Oxidizing Agents > Oxygen www.organic-chemistry.org/chemicals/oxidations/oxygen.shtm - Web

Oxygen (O2) Properties, Uses, Applicati... Oxygen (O2) Properties, Uses, Applications www.uigi.com/oxygen.html - Web

Roald Hoffmann article on "The Story of O" Roald Hoffmann article on "The Story of O" www.americanscientist.org/.../1 - Web

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WebElements.com – Oxygen WebElements.com – Oxygen www.webelements.com/webelements/elements/text/O/index.html - Web

Chemistry in its element podcast Chemistry in its element podcast www.rsc.org/chemistryworld/podcast/element.asp - Web

Scripps Institute: Atmospheric Oxygen has been dro... Scripps Institute: Atmospheric Oxygen has been dropping for 20 years scrippso2.ucsd.edu - Web

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