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.
Practise AQA GCSE Chemistry Chemical bonds, ionic, covalent and metallic with exam-style questions for Foundation and Higher tier. 3 questions covering Chemical bonds, Ionic bonding, Ionic compounds, Covalent bonding, and Metallic bonding, matched to the AQA GCSE Chemistry (8462) 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.