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2016-01-03T15:48:27+05:30

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Two atoms of oxygen element are represented as ‘2O’.  and  O2 represents One molecule oxygen.

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2016-01-08T10:22:32+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
2O means two atoms of oxygen
O2 means one molecule of oxygen
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