what is atomic mass and atomic number in marathi |SSC|HSC|CBSE|icse|Semi English | dahavi abhyas

Описание к видео what is atomic mass and atomic number in marathi |SSC|HSC|CBSE|icse|Semi English | dahavi abhyas

Atomic mass is sum of masses of proton neutron and electron , atomic number is number of protons present in the necleus of atom . Neutron is binding force that prevents center distortion of atom

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