Sodium oxide is an ionic compound formed from the reactive metal sodium and the non-metal oxygen. Describe what happens when sodium atoms react with an oxygen atom to form sodium oxide. You should refer to the transfer of electrons, the number of atoms of each element involved, and the chemical formulas and charges of the ions formed in your answer.
3 exam-style questions on AQA GCSE Chemistry 2.1 Chemical bonds, ionic, covalent and metallic, covering 2.1.1 Chemical bonds, 2.1.2 Ionic bonding, 2.1.3 Ionic compounds, 2.1.4 Covalent bonding, and 2.1.5 Metallic bonding. Each one has a worked solution and a mark scheme showing where the marks go.