The Absorption & Emission of EM Radiation (AQA GCSE Physics): Flashcards
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What happens to electrons during EM absorption?
What happens to electrons during EM absorption?
Become excited, move to higher energy level
Where do electrons move during EM absorption?
Where do electrons move during EM absorption?
Further from nucleus
Where do electrons move during EM emission?
Where do electrons move during EM emission?
Closer to nucleus
Energy level change during EM emission
Energy level change during EM emission
Lower energy level
Frequency range atoms can absorb/emit EM
Frequency range atoms can absorb/emit EM
Wide range of frequencies
Electron moves to higher orbit means atom...
Electron moves to higher orbit means atom...
Absorbed EM radiation
Electron falls to lower orbit means atom...
Electron falls to lower orbit means atom...
Emitted EM radiation
If electron gains enough energy it...
If electron gains enough energy it...
Leaves atom (forms positive ion)
What forms when electron leaves atom?
What forms when electron leaves atom?
Positive ion
What causes electrons to become excited?
What causes electrons to become excited?
Absorption of EM radiation