Difference between revisions of "Oxygen"

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Approximately 20% of the [[atmosphere]] is made up of oxygen.
 
Approximately 20% of the [[atmosphere]] is made up of oxygen.
  
Oxygen in a concentrated form is explosive]].  It is the component of all [[combustion]] reactions and produces [[carbon dioxide]].
+
Oxygen in a concentrated form is explosive.  It is the component of all [[combustion]] reactions and produces [[carbon dioxide]].
  
  

Revision as of 13:40, 6 April 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.

Oxygen in a concentrated form is explosive. It is the component of all combustion reactions and produces carbon dioxide.