J.J. Thomson's 1904 atomic model: atoms are diffuse positively-charged 'puddings' with negatively-charged electrons embedded like plums. Predicts no concentrated scattering centre — contradicted by Rutherford's 1911 gold-foil experiment.
J.J. Thomson's 1904 atomic model: atoms are diffuse positively-charged 'puddings' with negatively-charged electrons embedded like plums. Predicts no concentrated scattering centre — contradicted by Rutherford's 1911 gold-foil experiment.