Chemistry GCSE
Excitation and emission
What Excitation and emission means in Chemistry GCSE, as defined for AQA.
Definition of Excitation and emission
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Reference: AQA
The heat energy from the flame excites the metal ions, which then emit light of characteristic wavelengths as they return to their lower energy states.
Topics that use Excitation and emission
- Flame emission spectroscopy (AQA GCSE)
Related terms
- Atomic emission
- Experimental sequence
- Identification by comparison with reference data
- Identification of elements
- Instrumental analysis
- Line spectra
- Measurement of concentration
- Calibration
Using Excitation and emission in the exam
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