Question

Why do the positive charges in the sugar grain not move?

1. Because protons are "stuck" in the nucleus, so they don't move between atoms in a material
2.
Because they are attracted by the negative tupperware
3. Because they are repelled by the negative tupperware
4.
Because the positive charges feel no attractive force from the tupperware

Answer 1

The protons are stuck in the nucleus and held together by the strong nuclear force.