Electromagnetic radiation and quantum phenomena (AQA A-Level Physics): Flashcards
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Discrete energy levels in atoms
Discrete energy levels in atoms
Fixed energy states electrons occupy; cannot exist between
Excitation (atomic physics)
Excitation (atomic physics)
Electron moves to higher energy level after gaining energy
Ionisation of an atom
Ionisation of an atom
Electron gains enough energy to completely leave the atom
Ionisation energy
Ionisation energy
Minimum energy required to remove electron from atom
Ground state (electron)
Ground state (electron)
Original/lowest energy level of an electron
What is emitted when excited electron returns to ground state?
What is emitted when excited electron returns to ground state?
A photon
Electron volt () definition
Electron volt () definition
Energy gained by electron moving through p.d. of V
Value of eV in joules
Value of eV in joules
J
Convert eV to J
Convert eV to J
Multiply by
Convert J to eV
Convert J to eV
Divide by
