An ionic compound has the formula MX2\text{MX}_2MX2, where M is a metal and X is a non-metal. In which groups of the periodic table are M and X?
M is in Group 1 and X is in Group 6
M is in Group 2 and X is in Group 7
M is in Group 2 and X is in Group 6
M is in Group 1 and X is in Group 7
40 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.