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    If An Element Has A Mass Number Of 20 And An Atomic Number Of 11,how Many Protons,neutrons,and Electrons Does It Have?

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    Aicha

    Atomic number represents the number of protons. And mass number is the addition of protons and neutrons. Electrons are normally equal to protons. Thus the figure becomes:
    The number of protons = 11
    The number of electrons = 11
    The number os neutrons = 9 (20 - 11)

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      Aicha

      The number of protons would be 11. The number of Neutrons will also be 11. And the number of electrons will be 9.

      answered 1 year ago   

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