AQA GCSE Combined Science Trilogy · 8464
Specification 5.1.1.7, 5.1.2.4, 5.1.2.5 · Paper 3
The occupied electron shell furthest from the nucleus.
Revise: Electronic StructureSodium’s electronic structure is 2,8,1. It has three occupied shells, with one electron in its outer shell.
- Revise: Group 0 Noble Gases
The outermost occupied electron energy level in an atom.