Modelling software uses the same scale factor for every length in a magnified view of an atom.
In this view, the diameter of the atom is 16 cm and the diameter of its nucleus is 12 μm12\ \mu\mathrm{m}12 μm. The actual radius of the atom is 8.0 × 10-11 m.
What is the actual radius of the nucleus?
6.0×10−17 m6.0\times10^{-17}\ \mathrm{m}6.0×10−17 m
6.0×10−18 m6.0\times10^{-18}\ \mathrm{m}6.0×10−18 m
6.0×10−13 m6.0\times10^{-13}\ \mathrm{m}6.0×10−13 m
6.0×10−15 m6.0\times10^{-15}\ \mathrm{m}6.0×10−15 m
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.