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NCERT Exemplar Solutions Class 9 Science Solutions for Structure of the Atom - Exercise in Chapter 4 - Structure of the Atom

Question 42 Structure of the Atom - Exercise

Enlist the conclusions drawn by Rutherford from his α-ray scattering experiment.

Answer:

Rutherford drawn the following conclusion from his α-ray scattering experiment.

  • α-particles passed through the gold foil without any deflection concluding the empty space inside the atom.
  • Deflection is observed in few particles which prove the positive charge of the atom occupies very little space.
  • Deflection in A very small fraction of α-particles indicates that all the positive charge and mass of the gold atom were concentrated in a very small volume within the atom.
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