two letter symbol from the periodic table - Search
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    List of Two-Letter Symbols and Element Names

    List of Two-Letter Symbols and Element Names

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    The two-letter symbols for the chemical elements are abbreviations of their names, usually based on the first letter or letters of the English or Latin name. Each element has a unique atomic number, which is the number of protons in its nucleus, and belongs to a group that shares similar chemical properties. 2

    Symbol Name Atomic Number Group
    H Hydrogen 1 1
    He Helium 2 18
    Li Lithium 3 1
    Be Beryllium 4 2
    B Boron 5 13
    C Carbon 6 14
    N Nitrogen 7 15
    O Oxygen 8 16
    F Fluorine 9 17
    Ne Neon 10 18
    ... ... ... ...
    Og Oganesson 118 18
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