Based on scientists and their inventions match Set – I with Set – II:
| Set – I | Set – II |
| P. Bohr Bury | x. Existence of a nucleus |
| Q. Thompson | y. Maximum no. of electrons in a shell |
| R. Rutherford | z. Subatomic particle |
A) P – y, Q – z, R – x
B) P – y, Q – x, R – z
C) P – x, Q – y, R – z
D) P – z, Q – x, R – y