Which hypothesis of Thomson's atomic model was later found to be not true by Niels Bohr and why?

In 1911, Rutherford showed that Thomson's model was "wrong": the distribution of positive and negative particles was not uniform. Rutherford showed that the atom contains a small, massive, positively charged nucleus. He also agreed with Nagaoka that the electrons move in circular orbits outside the nucleus

the dissolution of polymer can be thermodynamically described in 2 steps.