Question

explain Thomson's model of an atom with diagram and also write its drawback​

Answer 1

In 1904, Thomson proposed atomic model where electrons are embedded within spherically distributed, positive charge (so-called "plum pudding" model). Both the positive charge and the mass of the atom would be more or less uniformly distributed over its size

Limitations of Thomson's Atomic Model

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.

Answer 2

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explain Thomson's model of an atom with diagram and also write its drawback

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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.