Energylevel In atoms Flashcards

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1
Q

excitation using photons?

A

electron in the atom can absorb a photon and move to an outer shell where space is, only if energy of photon is exactly equal to the gain in the electrons energy

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2
Q

deexcitation?

A

vacancy is filled by another electron, filling the space the excited electron left. this electron emits a photon

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3
Q

energy of emitted photon?

A

hf = E1 - E2

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4
Q

stopping potential

A

ek max / charge

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