explain why rutherford used gold foil in alpha scattering experiment.
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For the scattering experiment, Rutherford wanted a metal sheet which could be as thin as possible. Gold is the most malleable of all known metals. It can easily be converted into very thin sheets. Hence, Rutherford selected a gold foil for his alpha-ray scattering experiment.
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Explanation:
Following are the two reasons to use gold foil in experiment
1 ..Gold metal is malleable
Can be made into sheets which very thin.
This was apt for the experiment as a sheet only few hundred atoms thick to scatter the particles.
2. Gold atom is heavier when compared to other such malleable metals and hence would not be much affected by the chcharged alpha particles and scatter them to a good extent .
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