Which of the following conclusions were not made by Rutherford as regards as atomic structure after α -particle scattering experiment?
1
Most of the mass (at least 99.95%) and all of the charge of an atom concentrated in a very small region is called the atomic nucleus
2
The nucleus is positively charged and its size is of the order of 10-15 m
3
The nucleus is positively charged and its size is of the order of 10-10 m
4
In an atom there is maximum empty space and the electrons revolve around the nucleus