Q.
After the discovery of subatomic particles, there are sum
hurdles were seen before scientist. Find the incorrect
statement regarding the major hurdles from the following
The major problems before the scientists after the discovery of sub-atomic particles were:
(i) to account for the stability of atom
(ii) to compare the behaviour of elements in terms of both physical and chemical properties
(iii) to explain the formation of different kinds of molecules by the combination of different atoms
(iv) to understand the origin and nature o f the characteristics of electromagnetic radiation absorbed or emitted by atoms.