Intext questions III — task. Science CBSE, Class 9.

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1. On the basis of Rutherford’s model of an atom, which sub-atomic particle is present in the nucleus of an atom?

Protons
Neutrons
Electrons

2. What do you think would be the observation if the alpha-particle scattering experiment is carried out using a foil of a metal other than gold?

The results will be different with any metal foil as all atoms would have the different properties.
The results will be different with any metal foil because all atoms would have the different structure.
The results of the a-particle scattering experiment would be the same with any metal foil because all atoms would have the same structure.

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