Key term for OCR GCSE Chemistry A, used in Equilibria.
The total area of the exterior of a solid reactant that is exposed to other reactants; increasing it increases the sites available for collisions.
Surface area appears in OCR GCSE Chemistry A revision content for Monitoring and controlling chemical reactions, especially Equilibria and Proportionality in Rates.
Monitoring and controlling chemical reactions
Equilibria • Proportionality in Rates
Predicting and identifying reactions and products
Predicting chemical reactions • Metal Reactivity
Elements, compounds and mixtures
Properties of materials • Ratios in Surface Area
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