Difference between revisions of "Oxygen"
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British cons (talk | contribs) (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]] | + | 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]] | ||
| + | [[Category:Chemistry]] | ||
| + | [[Category:Elements]] | ||
Revision as of 21:28, March 25, 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.