තොම්සන්ගේ ඉලෙක්ට්රෝන ආකෘතිය
J.J.Thopsan's plum pudin structure of atom Here are some information about the subject of atomicastructure suggested by sir.J.J.Thompsan.
J.J.Thopsan's plum pudin structure of atom Here are some information about the subject of atomicastructure suggested by sir.J.J.Thompsan.