question_answer 39)

  Which of the following statements about Rutherford's model of atom are correct? (i) Considered the nucleus as positively charged. (ii) Established that the cc-particles are four times as heavy as a hydrogen atom. (iii) Can be compared to solar system. (iv) Was in agreement with Thomson's model. (a) (i) and (iii)                     (b) (ii) and (iii)                    (c) (i) and (iv)                     (d) Only (i)

Answer:

  (a) According to Rutherford model, a central positively charged nucleus is present in the atom and electrons revolve around it. This model is similar to solar system so also called planetary model.