State three features of the nuclear model of an atom put forward by Rutherford.
(N/A) $(i)$ There is a positively charged center in an atom called the nucleus. Nearly all the mass of an atom resides in the nucleus.
$(ii)$ The electrons revolve around the nucleus in well-defined orbits.
$(iii)$ The size of the nucleus is very small as compared to the size of the atom.
$(ii)$ The electrons revolve around the nucleus in well-defined orbits.
$(iii)$ The size of the nucleus is very small as compared to the size of the atom.
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