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This chemical element has the symbol O.

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Your new ahaOxygen

Oxygen gas makes up about one fifth of dry air near Earth's surface. Source: Oxygen ↗

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More from Chemical Symbols and Elements

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  1. 09This chemical element has the symbol F.RECALL
    Fluorine

    Atomic number 9

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  2. 10This chemical element has the symbol Ne.RECALL
    Neon

    Atomic number 10

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  3. 11This chemical element has the symbol Na.RECALL
    Sodium

    Atomic number 11

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