For the scattering experiment, Rutherford wanted a sheet which could be as thin as possible. 

 

Since Gold is the most malleable of all known metals.. He selected a gold foil.

 

This gold foil was about 1000 atoms thick.

Ask a doubt
Maninder Singh's photo - Co-founder, Teachoo

Made by

Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo