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Hydrogen · chemical symbol

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Hydrogen has 1 proton in every atomic nucleus. Changing that number would make a different element. Source: Hydrogen ↗

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More from Element Chemical Symbols

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  1. 02Helium · chemical symbolRECALL
    He

    Atomic number 2

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  2. 03Lithium · chemical symbolRECALL
    Li

    Atomic number 3

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  3. 04Beryllium · chemical symbolRECALL
    Be

    Atomic number 4

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