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This lesson focuses on exam technique for the bonding, structure, and properties topic in AQA GCSE Chemistry (4.2.1-4.2.4). It covers the types of questions you will face, how to structure your answers, common mistakes to avoid, and worked examples with mark-scheme-style answers. Practising exam-style questions is the most effective way to improve your grade in this topic.
The bonding and structure topic is examined through a variety of question types:
| Question Type | Marks | What Is Expected |
|---|---|---|
| Define | 1-2 | Give a precise definition using correct scientific terms. |
| Describe | 2-3 | State what something is or what happens, with detail. |
| Explain | 3-4 | Give reasons WHY something happens, linking cause to effect. |
| Compare | 4-6 | Identify similarities AND differences between two substances. |
| Evaluate | 4-6 | Weigh up evidence and come to a conclusion (e.g. nanoparticles). |
| Draw | 2-3 | Produce a diagram (dot-and-cross, displayed formula, etc.). |
| Calculate | 2-3 | Perform a calculation (e.g. surface area to volume ratio). |
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