ionisation equations
What ionisation equations means in Chemistry A-Level, as defined for AQA.
Definition of ionisation equations
Check what you remember
Read the wording for your board, then hide it and explain ionisation equations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Equations with state symbols showing one electron removed, for example Na(g) → Na⁺(g) + e⁻.
Topics that use ionisation equations
- Electron configuration (AQA A-Level)
Related terms
- 4s before 3d
- First ionisation energy
- Group 2 trend
- ion configurations
- orbital capacities
- Period 3 trend
- sub-shell filling order
Using ionisation 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 Chemistry 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