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  3. RAJASTHAN PMT

RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
    Two substances have different atomic masses and same atomic number. They are:

    A)  isotopes                             

    B)  isobars

    C)  isotones             

    D)         none of these

    Correct Answer: A

    Solution :

    Isotopes have different atomic masses but same atomic number.


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