A thin sheet of metal foil is placed inside a vacuum. $\alpha$-particles are directed at the foil and the majority pass straight through. A very small fraction of the $\alpha$-particles are scattered through large angles. What does this suggest evidence for?
- A$\alpha$-particles are very small.
- BThere are negative electrons in each atom.
- CThere is a tiny nucleus in each atom.
- DThere are neutrons in each atom.