Ionic half-equations
What Ionic half-equations means in Combined Science GCSE, as defined for AQA.
Definition of Ionic half-equations
Check what you remember
Read the wording for your board, then hide it and explain Ionic half-equations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Equations that clearly show the electron transfer, such as the loss of electrons by metal atoms and the gain by hydrogen ions.
Topics that use Ionic half-equations
- Reactions of acids with metals (AQA GCSE)
Related terms
- Electron transfer
- Electron transfer in equations
- Identifying oxidised and reduced species
- Reactivity series and the position of hydrogen
- Salt formation and naming from the parent acid
- Spectator ions
- Acid–metal reactions as displacement reactions
- Redox reactions
Using Ionic half-equations 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