Chemistry GCSE
Electron counting
What Electron counting means in Chemistry GCSE, as defined for AQA.
Definition of Electron counting
Check what you remember
Read the wording for your board, then hide it and explain Electron counting in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The mole can also count electrons, such as in electrolysis or redox reactions, where one mole of electrons is 6.02 × 10²³ electrons.
Topics that use Electron counting
- Moles (HT only) (AQA GCSE)
Related terms
- Balanced equations
- Mass–mole conversions
- Molar mass
- Mole as the amount unit
- Mole calculations
- Mole concept
- Rearranging equations and unit consistency
- Relative formula mass
Using Electron counting 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 Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge