The radius of a nucleus is about 1 × 10-14 m.
A student builds a scale model of an atom. In the model, the nucleus has a radius of 1 cm.
Use your knowledge of the typical radius of atoms to estimate the radius of the whole atom in the model.
1 m
10 m
100 m
1 km
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.