Ncert Exercises & Solutions

Which of the following conclusions could not be derived from Rutherford's $α$ -particle scattering experiment?

1.	Most of the space in the atom is empty.
2.	The radius of the atom is about 10^-10 m while that of a nucleus is 10^–15 m.
3.	Electrons move in circular path of fixed energy called orbits.
4.	Electrons and the nucleus are held together by electrostatic forces of attraction.