105 F11 Lecture 5

105 F11 Lecture 5 - Chemistry 105 Hydrogen Gas Discharge...

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Chemistry 105
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Hydrogen Gas Discharge Lamp What are the parts? How is this device powered? What does it look like powered? What does it look like through diffraction grating glasses? Flashlight H has only electron, and yet multiple wavelengths λ (nm) Rel. Int. 397.007 8 410.174 15 434.047 30 486.133 80 656.272 120 656.285 180
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Light Emission From Other Atoms Fireworks! Can we explain what we see based only on what we have learned so far about the atom?
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What we know so far: Atoms exist They have a dense positive center. The atom contains small negative particles. Light and matter can interact. Light has wave-like properties, but travels in packets as photons.
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Predictability If the energy of each electron was known, we could promote it on demand. Why is that important?
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The Hydrogen Atom A pattern in the emission of light from hydrogen atoms was discovered. A pattern = electrons having
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105 F11 Lecture 5 - Chemistry 105 Hydrogen Gas Discharge...

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