Which of the following statements is/are incorrect with respect to Thomson's atomic model?
I. An atom is electrically neutral.
II. Electrons are distributed in a positively charged sphere.
III. Electrons revolve in circular paths.
IV. The negative and positive charges are equal in magnitude.

I and IV

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II and IIII

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Only III

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Only II

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Solution

The correct option is C Only III
In Thomson’s model of atom, the electrons are embedded throughout the atom instead of revolving in circular paths.

So, statement III is incorrect.

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Similar questions

In Thomson’s model of an atom, which of the following statements are correct?

(i) The mass of the atom is assumed to be uniformly distributed over the atom.

(ii) The positive charge is assumed to be uniformly distributed over the atom.

(iii) The electrons are uniformly distributed in the positively charged sphere.

(iv) The electrons attract each other to stabilize the atom.

Rutherford’s α–particle scattering experiment showed that

(i) electrons have a negative charge

(ii) the mass and positive charge of the atom are concentrated in the nucleus

(iii) neutron exists in the nucleus

(iv) most of the space in an atom is empty. Which of the above statements are correct?

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