Chemistry GCSE
Dominant emission
What Dominant emission means in Chemistry GCSE, as defined for AQA.
Definition of Dominant emission
Check what you remember
Read the wording for your board, then hide it and explain Dominant emission in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The brightest colour that the eye sees, so that the weaker emission from another cation is not visible against it.
Topics that use Dominant emission
- Flame tests (AQA GCSE)
Related terms
- Characteristic flame colours of metal cations
- Contamination
- Evidence-based identification
- Interference between overlapping test results
- Masked
- Qualitative identification
- Qualitative identification by comparison with standards
- Blue glass
Using Dominant emission 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