CAIE A Level Chemistry 9701 · States of matter
Copper is used for electrical wiring. It can also be beaten into thin sheets and bent without breaking.
Suggest, in terms of the structure and bonding of copper metal, why copper is malleable and why it conducts electricity when solid.
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Suggest means: Apply what you know to an unfamiliar situation. There may be more than one acceptable answer. Reason from the principle you have learned to the new context, and say which principle you are using.
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