Which statement describes the covalent bonding in a molecule of water, H2O\text{H}_2\text{O}H2O?
Oxygen forms one single covalent bond with each hydrogen atom.
Oxygen forms one double covalent bond with each hydrogen atom.
Oxygen forms a double bond with one hydrogen atom and a single bond with the other.
Each hydrogen atom forms a single bond with oxygen and with the other hydrogen.
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.