Radiation and thermal energy
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Radiation and Thermal Energy. Our Model of the Atom Evolves. In a chemical reaction, what is happening to the system when there is a change in temperature?. What changes occur in a system when radiating is the transfer mechanism?. Observations?. Incandescent light bulb.

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Radiation and Thermal Energy

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Radiation and thermal energy
Radiation and Thermal Energy

Our Model of the Atom Evolves




Observations
Observations? transfer mechanism?


Incandescent light bulb
Incandescent light bulb transfer mechanism?

  • Watch carefully as the power delivered to the light bulb is increased.

  • Write down your observations.


Incandescent light bulb1
Incandescent light bulb transfer mechanism?

  • Now view the light bulb through a spectrometer as the power delivered to the bulb is increased.

  • Write down your observations


Compact fluorescent light bulb
Compact fluorescent light bulb transfer mechanism?

  • Watch carefully as the power delivered to the light bulb is increased.

  • Write down your observations.


Compact fluorescent light bulb1
Compact fluorescent light bulb transfer mechanism?

  • Now view the light bulb through a spectrometer.

  • Write down your observations


What is the difference
What is transfer mechanism?the difference?



Radiation and thermal energy


Radiation and thermal energy


Radiation and thermal energy



Our current model of the atom
Our current model of the atom…. atomic level.

  • Does not account for these differences in structure, therefore we need a model of the atom with some more internal structure that can account for the radiation emitted by atoms.


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