Answer:
Rutherford
used a very thin foil of gold (0.00006 cm in thickness) because it is the most
malleable metal. The a-particles were much smaller than the gold atoms in the
foil. But if any other metal would have been used, there would not have been
much size difference between 
particles and
metal atoms and therefore there would not have been any penetration.
You need to login to perform this action.
You will be redirected in
3 sec
