Question

merits and demerits of Jj Thomson model

Answer 1

Under study of a particle, many scientists proposed many models in which J.J. Thomson, Rutherford, Bhor and Sommerfield atomic models are peculiar. First revolutionary development on atomic model is that atom can not be divided as it proposed by John Dalton. The main micro particle in an atom that electron which was found by J.J.Thomson. While doing experiment, he observed that cathode rays in cathode ray tube when passing they deflected towards positive plate. First of all, he named them as negative charged particle. Later it was named as electron.