Chemistry GCSE
Fixed composition and atom ratios
What Fixed composition and atom ratios means in Chemistry GCSE, as defined for AQA.
Definition of Fixed composition and atom ratios
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Reference: AQA
The proportions of the elements in a given compound are fixed, so the ratio of atoms is always the same for that compound.
Topics that use Fixed composition and atom ratios
- Atoms, elements and compounds (AQA GCSE)
Related terms
- Balanced chemical equation
- Balanced equation
- Chemical change
- Chemical symbol
- Decomposition reactions
- Endothermic
- Exothermic
- Formulae as symbolic representations
Using Fixed composition and atom ratios in the exam
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