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Definition
| Phenomenon in which electrons are ejected from the surgace of certain metals exposed to light of at least a certain minimum frequency, called the threshold frequency |
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Definition
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| Equation summarizing the energy involved in knocking an electron lose |
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Definition
hν=KE+BE
KE=Kinetic Energy
BE=Binding Energy |
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Definition
| either continuous or line spectra of radiation emitted by substances |
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Definition
| the light emission only at specific wavelengths |
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Term
| Equation that shows the energies that an electron of hydrogen can have |
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Definition
En=-RH(1/n2)
E=energy
n=interger representing quatum values
RH=Rydberg constant 2.18 x 10-18 |
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Term
| ground state/ground level |
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Definition
| the lowest engery state of a system |
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Term
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Definition
| higher in energy than ground state. |
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Term
| Equation showing the change in energy when an electon drops closer to ground level |
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Definition
ΔE=Ef - Ei
ΔE=RH(1/ni2-1/nf2) |
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