A student wrote four statements about the development of the atomic model.
Which statement is not correct?
Dalton described atoms as tiny solid spheres that could not be divided.
Chadwick's discovery of the neutron helped to explain the mass of the nucleus.
Thomson's discovery of the electron showed that atoms contain smaller particles.
Rutherford's gold foil experiment showed that the nucleus contains neutrons.
51 exam-style questions on OCR GCSE Chemistry 1.2 Atomic structure, covering 1.2.1 Development of the atomic model, 1.2.2 The nuclear model and the size of atoms, and 1.2.3 Subatomic particles in atoms and ions. Each one has a worked solution and a mark scheme showing where the marks go.