Why did Rutherford choose gold and not any other lighter element (such as aluminium) for his experiment? Explain your answer giving two reasons.
Q. (a) Why did Rutherford choose gold and not any other lighter element (such as aluminium) for his experiment? Explain your answer giving two reasons.
(b) Write the name and symbol of the particle chosen by Rutherford for bombardment against the gold foil in his experiment.
Ans. (a) Rutherford choose gold for his experiment because he wanted as thin a layer as possible for the experiment and gold foil was only about 1000 atoms thick.
(b) Rutherford choose alpha particles for bombardment. Its symbol is a.
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