Question

Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order
(i) Rutherford’s atomic model
(ii) Thomson’s atomic model
(iii) Bohr’s atomic model

• A. (i), (ii) and (iii)
• B. (ii), (iii) and (i)
• C. (ii), (i) and (iii)
• D. (iii), (ii) and (i)

Answer 1

The correct option is C (ii), (i) and (iii)

Thomson proposed the first model of an atom, i.e, the Thomson's Plum Pudding Model. This was then modified by Ernest Rutherford, termed as the Rutherford model. Later Danish physicist Niel Bohr proposed a description of the structure of atoms, especially that of hydrogen.