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  • In the Thomson’s model of 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

In the Thomson’s model of 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

(a) (i), (ii) and (iii)

(b) (i) and (iii)

(c) (i) and (iv)

(d) (i), (iii) and (iv)

Answers (1)

Answer: A

According to the postulates of Thomson’s atomic model, an atom resembles a sphere of positive charge with electrons (negatively charged particles) present inside the sphere. The positive and negative charge is equal in magnitude and therefore an atom has no charge as a whole and is electrically neutral. Therefore, (i), (ii) and (iii) are correct in Thomson’s model of atom.

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