The radius of a nucleus of the oxygen nuclide 816O^{16}_{8}\text{O}816O is approximately 2.70 × 10-15 m. What is the approximate radius of a nucleus of the gold nuclide 79197Au^{197}_{79}\text{Au}79197Au?
3.38×10−15 m3.38 \times 10^{-15} \text{ m}3.38×10−15 m
6.23×10−15 m6.23 \times 10^{-15} \text{ m}6.23×10−15 m
9.51×10−15 m9.51 \times 10^{-15} \text{ m}9.51×10−15 m
33.2×10−15 m33.2 \times 10^{-15} \text{ m}33.2×10−15 m
128 exam-style questions on AQA A Level Physics Radioactivity (A-level only), covering Rutherford scattering (A-level only), $\alpha$ , $\beta$ and $\gamma$ radiation (A-level only), Radioactive decay (A-level only), Nuclear instability (A-level only), Nuclear radius (A-level only), Mass and energy (A-level only), Induced fission (A-level only), and Safety aspects (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.