A student is researching materials for solid-state batteries and focuses on lithium nitride, Li3N\text{Li}_3\text{N}Li3N, as a potential fast ionic conductor.
Lithium nitride contains the nitride ion, N3−\text{N}^{3-}N3−.
Give the formula of the lithium ion in lithium nitride.
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.