An atom of lithium is represented by 37Li{}^{7}_{3}\mathrm{Li}37Li.
Describe the structure of a neutral atom of 37Li{}^{7}_{3}\mathrm{Li}37Li.
Your answer should include the particles in the atom, where they are found, and their relative masses and charges.
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.