Lithium fluoride is an ionic compound, containing lithium ions, Li+\text{Li}^+Li+, and fluoride ions, F−\text{F}^-F−.
Table 1 shows the electronic configurations of lithium and fluorine atoms.
Table 1
| Atom | Electron configuration |
|---|---|
| lithium | 2.1 |
| fluorine | 2.7 |
Explain how lithium and fluorine atoms form the ions in lithium fluoride, and how these ions are arranged in solid lithium fluoride.
32 exam-style questions on Edexcel GCSE Chemistry 2.3 Ionic bonding, covering 2.3.1 Ions and the formation of ionic bonds, 2.3.2 Naming and deducing formulae of ionic compounds, and 2.3.3 Giant ionic lattices. Each one has a worked solution and a mark scheme showing where the marks go.