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Which of the following conclusions could not be derived from Rutherford’s α -particle scattering experiement?

(i) Most of the space in the atom is empty.
(ii) The radius of the atom is about 10–10 m while that of nucleus is 10–15 m.
(iii) Electrons move in a circular path of fixed energy called orbits.
(iv) Electrons and the nucleus are held together by electrostatic forces of attraction.


The second option is the answer.
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