question_answer

The \[\alpha \]-particle scattering experiment of Rutherford concluded that                                       [Orissa JEE 1997]

A)                 The nucleus is made up of protons and neutrons

B)                 The number of electrons is exactly equal to number of protons in atom

C)                 The positive charge of the atom is concentrated in a very small space

D)                 Electrons occupy discrete energy levels