Question

what would have happened if rutherford had used silver in place of gold in his alpha-rays scattering experiment

Answer 1

all the rays would have reflected as silver can't be pressed into thin sheet.

Answer 2

if Rutherford had used silver in place of gold in his alpha rays scattering experiment then , the scattering angles would have changes and qualitative results would also change.......... therefore he used gold which is the most malleable metal.