absorption and emission
What absorption and emission means in Physics GCSE, as defined for AQA.
Definition of absorption and emission
Check what you remember
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Reference: AQA
Absorbing electromagnetic radiation moves an electron further from the nucleus to a higher energy level, while emitting it moves the electron closer to the nucleus to a lower energy level.
Topics that use absorption and emission
- The structure of an atom (AQA GCSE)
Related terms
- electron arrangement
- electrons
- empty space
- energy levels
- Ionisation
- neutral atoms
- outer electrons
- concentration of mass
Using absorption and emission in the exam
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