The Absorption & Emission of EM Radiation (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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Effect of absorbing EM radiation on electrons
Effect of absorbing EM radiation on electrons
Electrons become excited and move to higher energy level
Where electrons move during EM absorption
Where electrons move during EM absorption
Further from nucleus
Energy level change during EM absorption
Energy level change during EM absorption
Move to higher energy level
Where electrons move during EM emission
Where electrons move during EM emission
Closer to nucleus
Energy level change during EM emission
Energy level change during EM emission
Move to lower energy level
Range of EM frequencies atoms can absorb/emit
Range of EM frequencies atoms can absorb/emit
Wide range of frequencies
Meaning of electron moving to higher orbit
Meaning of electron moving to higher orbit
Atom has absorbed EM radiation
Meaning of electron falling to lower orbit
Meaning of electron falling to lower orbit
Atom has emitted EM radiation
Result if electron gains enough energy to leave atom
Result if electron gains enough energy to leave atom
Positive ion forms
Electron location after atom absorbs EM radiation
Electron location after atom absorbs EM radiation
Higher orbit (further from nucleus)
Electron location after atom emits EM radiation
Electron location after atom emits EM radiation
Lower orbit (closer to nucleus)