Substances can be classified by their structure and bonding.
The table shows four substances. The type of structure of water has been completed.
| Substance | Type of structure |
|---|---|
| sodium chloride | |
| water | simple molecular |
| diamond | |
| copper |
Complete the table. Choose from: giant ionic, giant covalent, metallic.
Name the type of structure in the table that usually has the lowest melting point.
Copper conducts electricity when it is solid. Name the particles that move through copper when it conducts electricity.
Name the type of bonding in a substance made only from non-metal atoms.
Water boils at 100 °C. Give one other property of water that shows it is a simple molecular substance.
48 exam-style questions on Edexcel GCSE Chemistry 2.5 Types of substance, covering 2.5.1 Classifying substances by structure and bonding, 2.5.2 Properties of ionic and simple molecular substances, 2.5.3 Giant covalent structures: diamond and graphite, 2.5.4 Fullerenes, graphene and simple polymers, 2.5.5 Properties of metals and non-metals, and 2.5.6 Limitations of bonding models and representations. Each one has a worked solution and a mark scheme showing where the marks go.