question_answer

Rutherford's a-particle scattering experiment showed that

(i)  Electrons have negative charge.

(ii) The mass and positive charge of the atom is concentrated in the nucleus.

(iii) Neutron exists in the nucleus.

(iv) Most of the space in atom is empty.

Which of the above statements are correct?

A) (i) and (iii)

B)  (ii) and (iv)

C)  (i) and (iv)

D)  (iii) and (iv)

E)   None of these