Some alpha particles fired at a gold foil bounced backward as a ...

[folubunmi]

Some alpha particles fired at a gold foil bounced backward as a result of
 
  A) reflection from the surfaces of gold atoms.
  B) electrostatic repulsion by gold nuclei.
  C) electrostatic repulsion by electrons within gold atoms.
  D) all of the above
  E) none of the above

Question 2

Some alpha particles pass through gold foil with very little deflection mainly because the
 
  A) electric field is zero inside the foil.
  B) atoms of gold are mostly empty space.
  C) net charge of the gold atoms is zero.
  D) all of the above
  E) none of the above

[chloejackso]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B

[folubunmi]

TYSM

[ebonylittles]

Gracias!