A very thin metal foil is situated in a vacuum. $\alpha$-particles are directed at the foil, and the majority pass straight through it. A tiny fraction of the $\alpha$-particles are scattered through large angles. What is this evidence supporting?
- 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.