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    Posted 2 years ago in Form 2

    Atomic Structure

    the mass number of an atom is determined by

      1       4

    Comments  

    Beatrice Laizer   Posted on 2 years ago

    Total of atomic number and number of neutrons

    Fadhila Naikoyo   Posted on 2 years ago

    sum of neutrons and protons

    Aaronte   Posted on 2 years ago

    the sum of neutrons and protons

    Mich Kayla   Posted on 2 years ago

    The sum of protons and neutrons

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