Chemistry A-Level
cell polarity
What cell polarity means in Chemistry A-Level, as defined for AQA.
Definition of cell polarity
Check what you remember
Read the wording for your board, then hide it and explain cell polarity in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The electrode with the more negative potential is the negative terminal, where oxidation releases electrons into the external circuit.
Topics that use cell polarity
Related terms
- continuous supply of reactants
- disposal and toxicity
- risk and benefit
- water as only product
- alkaline fuel cell
- electrode half-equations
- EMF
- EMF of a fuel cell
Using cell polarity in the exam
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