Half equations and balancing
What Half equations and balancing means in Combined Science GCSE, as defined for AQA.
Definition of Half equations and balancing
Check what you remember
Read the wording for your board, then hide it and explain Half equations and balancing in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
These represent the changes at electrodes, balancing both atoms and charges, adding electrons to the left side for reduction.
Topics that use Half equations and balancing
Related terms
- Anode
- Conservation of charge and mass
- Electrolysis
- Half equation
- Half equations
- Hydroxide ions
- Oxidation
- Oxidation and reduction
Using Half equations and balancing in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge