The drawbacks for Thomson’s atomic model tells that:

a) How positive charges are placed inside the atom.

b) Unable to explain scattering experiment by Rutherford.

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None of the above

Only a

Both a & b

Only b

answer is C.

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Detailed Solution

The drawbacks of Thomson’s atomic model is that he described an atom as a positive charge sphere, where electrons are embedded. This model was unable to explain Rutherford scattering.
Thomson’s atomic model consists of positively charged spheres with negatively charged electrons, but it does not mention how this positive charge holds out the electron. This model failed to justify Rutherford's scattering. Thomson also predicted that electrical neutrality is maintained, but he does not mention which source or particles are used to describe this electrical neutrality.

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