The table gives the name and formula of three substances.
Table: The name, formula and type of bonding of three substances
| Substance | Formula | Type of bonding |
|---|---|---|
| Sodium chloride | NaCl\text{NaCl}NaCl | |
| Iron | Fe\text{Fe}Fe | |
| Methane | CH4\text{CH}_4CH4 |
Complete the table to give the type of bonding in each of the three substances.
Brass is an alloy of copper and zinc. Give the type of bonding in brass.
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.