Difference between revisions of "Oxygen"

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(New page: Oxygen is a chemical element vital for life. Under normal conditions it is a colorless odorless gas consisting of two oxygen atoms which has the chemical formula O2. Approxima...)
 
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Oxygen is a chemical [[element]] vital for life. Under normal conditions it is a colorless odorless [[gas]] consisting of two oxygen [[atom]]s which has the chemical formula O2.
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Oxygen is a chemical [[element]] vital for life. Under normal conditions it is a colorless odorless [[gas]] consisting of two oxygen [[atom|atoms]] which has the chemical formula O<sub>2</sub>.
  
 
Approximately 20% of the [[atmosphere]] is made up of oxygen.
 
Approximately 20% of the [[atmosphere]] is made up of oxygen.
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[[Category:Science]]
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[[Category:Chemistry]]
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[[Category:Elements]]

Revision as of 15:28, 25 March 2007

Oxygen is a chemical element vital for life. Under normal conditions it is a colorless odorless gas consisting of two oxygen atoms which has the chemical formula O2.

Approximately 20% of the atmosphere is made up of oxygen.