Element A is a Group 1 metal and element B is a Group 6 non-metal. They react to form an ionic compound.
How many B atoms are needed to receive all the electrons transferred by two A atoms?
4
2
1
6
98 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.