In the alpha particle scattering experiment, positively charged alpha particles were fired at a thin sheet of gold foil.
Explain how the differences in how the alpha particles were deflected provided evidence for:
the mass of the atom being concentrated in a tiny nucleus
the nucleus having a positive charge
81 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.