Because it was wrong, his own former student, rutherford proved him wrong.
J. J. Thomson's scientific ideas were called the "plum pudding model" or the "Thomson model." This model proposed that atoms were composed of a positively charged material with negatively charged electrons embedded within it, resembling plums in a pudding.
J. J. Thomson was born on 1856-12-18.
J. J. Thomson died on 1940-08-30.
j.j thomson put forward the plum pudding theory according to which element is like pudding of positive charge and tiny negative charges stuck inside like plums in pudding.
j.j thomson put forward the plum pudding theory according to which element is like pudding of positive charge and tiny negative charges stuck inside like plums in pudding.
Joseph John Thomson.
Some scientists who opposed J.J. Thomson's atomic theory included William Prout, Ernst Rutherford, and Max Planck. These scientists challenged aspects of Thomson's model, such as the presence of subatomic particles within the atom.
J. J. Thomson discovered the electron and the isotopes.
J. J. Thomson discovered the electron.
Sir J. J. Thomson was born on December 18, 1856.
Sir J. J. Thomson was born on December 18, 1856.
J J Thomson