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7 June, 04:29

What chemical formulas represents oxygen gas?

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Answers (2)
  1. 7 June, 06:37
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    Oxygen's Formula is O2.

    We breathe in O2 and Breathe out CO2
  2. 7 June, 06:58
    0
    It is O with a little 2 subscript. it represents two atoms of oxygen.
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