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Math Help - writing isotoopic symbols

  1. #1
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    writing isotoopic symbols

    1. Write isotopic symbols of the form A X for each isotope below.
    Z


    -

    The oxygen isotope with 8 neutrons.


    Do I add the atomic number of oxygen which is 8 and add the 8 neutrons and get 16?
    ok, now how do I write this


    Last edited by Louisana1; September 28th 2012 at 04:00 PM.
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  2. #2
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    Re: writing isotoopic symbols

    Hey Lousiana1.

    This isn't quite a chemistry forum, but google is your friend:

    Isotope Notation
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  3. #3
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    Re: writing isotoopic symbols

    Quote Originally Posted by Louisana1 View Post
    1. Write isotopic symbols of the form A X for each isotope below.
    Z


    -

    The oxygen isotope with 8 neutrons.


    Do I add the atomic number of oxygen which is 8 and add the 8 neutrons and get 16?
    ok, now how do I write this


    Yes that's correct..
    the atomic no. is the number of protons (Z)
    the nucleon no. is the number of protons and neutrons (A)

    So Z is 8
    and A is 16

    A will be on the top left corner and Z on the bottom left corner...
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