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.
Practise Edexcel GCSE Chemistry Ionic bonding with exam-style questions for Foundation and Higher tier. 42 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.