Question

What are the drawbacks of Thomson's model of an atom

Answer 1

According to JJ Thomson’s atomic model.
An atom is a positively charged sphere. Electrons are set within the sphere.
An atom is electrically neutral.
Drawbacks of J J Thomson:
In J J Thomson plum pudding model no separation between electrons and protons as they are hold together inside the atom which is not possible and leads to un-stability of the atom. But atom is existing stable.

Answer 2

I think it helps you to solve your question