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13 September, 06:17

What chemical formulas represents oxygen gas?

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Answers (2)
  1. 13 September, 07:14
    0
    Oxygen's Formula is O2.

    We breathe in O2 and Breathe out CO2
  2. 13 September, 09:05
    0
    It is O with a little 2 subscript. it represents two atoms of oxygen.
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