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    Q: Many elements have fractional atomic masses. This is because?

    Option Answer Is Correct
    1 The mass of the atom is itself fractional.
    2 Atomic masses are average masses of isobars
    3 Atomic masses are average masses of isotopes proportional to their relative abundance.
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    Moalims are a private institutional information system with over 2,500 institutes registered from all over Pakistan and growing day by day, by the grace of Allah. It is established in 2009. It will be the largest education information system of its kind in the Pakistan Inshallah. As a global network, Moalims aims to give Parents, Teachers, students and Professionals a quality information and to prepare engaged People/citizens who shape not only the communities they live in, but also the wider world. A project of Web & Network Solutions Limited

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