Chemistry A-Level
ground state and excited state
What ground state and excited state means in Chemistry A-Level, as defined for AQA.
Definition of ground state and excited state
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Reference: AQA
An electron in the lower group absorbs a photon and jumps to the upper group, which is the ground state to excited state transition.
Topics that use ground state and excited state
- Formation of coloured ions (A-level only) (AQA A-Level)
Related terms
- absorption of visible light
- absorption spectrum
- calibration curve
- colour changes on adding reagents
- complementary colour
- filter selection
- size of the d orbital gap
- standard solutions
Using ground state and excited state in the exam
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