Question

what was thomsons model of an atom drawback?

Answer 1

Thomson assumed that an electron is two thousand times lighter than a proton and believed that an atom is made up of thousands of electrons. In this atomic structure model, he considered atoms surrounded by a cloud having positive as well as negative charges. The demonstration of the ionization of air by X-ray was also done by him together with Rutherford. They were the first to demonstrate it. Thomson’s model of an atom is similar to a plum pudding.

Limitations of Thomson’s Atomic Model

Thomson’s atomic model explained the overall neutrality of an atom. Its assumption that the total mass of an atom is uniformly distributed all over the atom was inconsistent with some of the experimental results. Rutherford’s gold foil experiment of scattering α-particles revealed that most of the space in an atom is empty contradicted Thomson’s atomic model. Thus, it was found that the plum pudding atomic model was insufficient to explain the structure of an atom.

The limitations of Thomson’s atomic model: triggered further researches for establishing the structure of an atom. The plum pudding atomic model lacked experimental evidence and hence Rutherford conducted many experiments in order to determine the structure of an atom. Log on to Byju’s YouTube channel to learn more about the Rutherford’s atomic model that came after Thomson’s atomic model failed to explain the structure of an atom.


THOMSON MODEL DIDN'T HAD DRAWBACKS...

Answer 2

Answer:

Thomson's atomic model failed to explain how the positive charge holds on the electrons inside the atom. It also failed to explain an atom's stability. The theory did not mention anything about the nucleus of an atom. It was unable to explain the scattering experiment of Rutherford.

Explanation:

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