During the Rutherford scattering experiment, $\alpha$-particles were directed at a very thin sheet of gold foil. A small fraction of the $\alpha$-particles was scattered by large angles. Which statement gives the correct conclusion that can be drawn directly from these results?
- AThe atom is made up of electrons, protons and neutrons.
- BThe nucleus is at the centre of the atom.
- CThe nucleus is made up of protons and neutrons.
- DThe atom contains a very small, charged nucleus.