A metal is represented by M. It forms an oxide with the formula M2O3\mathrm{M_{2}O_{3}}M2O3.
The oxide ion is O2−\mathrm{O^{2-}}O2− and the nitrate ion is NO3−\mathrm{NO_{3}^{-}}NO3−.
Give the formula of the nitrate of metal M.
Explain how you used the formula of the oxide to deduce your answer.
119 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.