Chemistry GCSE
State symbols
What State symbols means in Chemistry GCSE, as defined for AQA.
Definitions of State symbols
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Reference: AQA
Symbols that show the physical state of each substance in an equation: (s) solid, (l) liquid, (g) gas, (aq) aqueous (dissolved in water).
The labels (s), (l), (g) and (aq) that may be added to show the physical state of each substance in a symbol equation.
Symbols such as (aq), (s), (g) or (l) included in a half equation to show the form of each substance.
Labels such as (s), (l), (g) or (aq) added after each formula where the question requires them.
Symbols included in half equations because they show the form of each substance.
Topics that use State symbols
- Atoms, elements and compounds (AQA GCSE)
- Representation of reactions at electrodes as half equations (HT only) (AQA GCSE)
- State symbols (AQA GCSE)
Related terms
- Anode
- Balanced chemical equation
- Balanced equation
- Balanced half equation
- Cathode
- Chemical change
- Chemical symbol
- Decomposition reactions
Using State symbols in the exam
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