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When referring to the pure element, the abbreviation is O, but when referring to the gas in the atmosphere it is a molecule. A molecule of ordinary oxygen contains two atoms of oxygen, and the symbol for the molecule is written O2.
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∙ 8y ago
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∙ 11y agoOn the Periodic Table, oxygen's symbol is "O". However, in nature, oxygen bonds covalently with another of its own kind, so in equations it is correct to refer to it as "O2". Oxygen is one of 7 elements that do this (the diatomics.)
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∙ 7y agoO2 is the chemical formula of the oxygen molecule.
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∙ 7y agoIt represents a diatomic molecule of oxygen.
Vivienne Bert
It represents a diatomic molecule of oxegyn
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∙ 13y agoO3
Wiki User
∙ 10y agooxy
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