Question

5.

What can scientists measure to provide evidence that electrons can move from one energy level to another?
1.the angle of deflection of alpha particles
2.the number of electrons deflected by a thin sheet of gold foil
3.the energy absorbed or released by atoms

Answer 1

2.the number of electrons deflected by a thin sheet of gold foil

Step-by-step explanation:

Answer 2

It's number 2. It's an interesting experiment, you can watch multiple on