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Rutherford's model of atom could not hold good because:

1. it did not account for the stability of an atom
2. the atom did not have a nucleus and an electron
3. it did not account for the attraction between a proton and an electron
4. there is actually no space between the nucleus and the electron

Correct answer: it did not account for the stability of an atom

Solution

Rutherford’s model placed electrons around a dense nucleus, but classical electromagnetism says accelerating electrons should radiate energy. That means the atom would be unstable, so the model could not explain why atoms persist.

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