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How to find mass number of …

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How to find mass number of an element

    • Posted by Arsh Pathan 7 years, 1 month ago

    CBSE > Class 09 > Science
    • 4 answers

    Paras Sharma 7 years, 1 month ago

    It is the sum of protons and neutrons of the nucleus of an atom.

    0Thank You

    Sahil Nandode 7 years, 1 month ago

    Mass of carbon is 12u because it has 6 protons and 6 neutrons,6u+6u=12u similarly the mass of aluminium is 27u 13 protons+14neutrons . In short the mass number is the sum of proton and neutrons as the mass of the atom is present at the nucleus

    1Thank You

    Pragun Sharma 7 years, 1 month ago

    S The sum of number of proton and number of neutron of an element or even an comound

    0Thank You

    Akanksha Kumari? 7 years, 1 month ago

    Mass no. = no. of protons + no. of neutrons

    3Thank You

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