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Mass number is not equal to …

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Mass number is not equal to the sum of electrons ,protons and neutrons. Why?

    • Posted by Rohit Kumar Rai 7 years, 10 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Chirag Kumar 7 years, 10 months ago

    Electrons has negligible mass 9.31×10^-31 kg.so not need to include in the sum of the two?

    1Thank You

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