A science centre is preparing a scale display of an atom. The real atom has a radius of 1.8 × 10-10 m and its nucleus has a radius of 6.0 × 10-15 m. In the display, a sphere of radius 0.50 cm represents the nucleus.
Calculate the radius of the complete atom display.
Give your answer in metres.
103 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.