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  1. Jan 6, 2012, 09:40 AM

    Question: Atomic mass

    by bilalasghar
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    2
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    570

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  2. Jan 6, 2012, 09:30 AM

    Question: Atomic mass

    by bilalasghar
    Answers
    1
    Views
    496

    Atomic mass

    A specie having 18 electron 20 neutrons charge -2. what will be its atomic mass?
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