Combined Science GCSE
Balancing
What Balancing means in Combined Science GCSE, as defined for AQA.
Definitions of Balancing
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Reference: AQA
Achieved by placing or adjusting normal-script multipliers in front of formulae until the number of each type of atom is equal on both sides.
Achieved by changing coefficients in front of formulae, never by altering subscripts within a formula, until each element balances.
Topics that use Balancing
- Atoms, elements and compounds (AQA GCSE)
- Conservation of mass and balanced chemical equations (AQA GCSE)
Related terms
- Arrow
- Balanced symbol equations
- Chemical reactions
- Chemical symbols and names
- Closed systems
- Coefficients
- Compounds
- Conservation of mass
Using Balancing in the exam
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