Key term for AQA GCSE Chemistry, used in Energy Changes in Reactions.
The starting substances in a chemical reaction where energy is supplied to break existing bonds.
Reactants appears in AQA GCSE Chemistry revision content for Energy changes, especially Energy Changes in Reactions and Bond Energy Calculations.
Energy changes
Energy Changes in Reactions • Bond Energy Calculations
Quantitative chemistry
Yield and Atom Economy • Atom Economy
Atomic structure and the periodic table
Atomic Model and Isotopes • Atoms, Elements, and Compounds
Quantitative chemistry
Conservation of Mass and Measurement • Conservation of Mass
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