Which one of the following could not be explained by Rutherford's nuclear model?

  1. A. Stability of the atom
  2. B. Presence of nucleus in the centre of an atom
  3. C. Comparison of Sizes of atom and nucleus
  4. D. Nucleus is positively charged

Correct Answer: A. Stability of the atom

Explanation

Rutherford's model could not explain why electrons orbiting the nucleus do not lose energy and spiral into it, which would make the atom unstable.

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