Chem 209 Chapter 8 Notes - Chem 209 Chapter 8 Notes-...

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Unformatted text preview: Chem 209 Chapter 8 Notes- Magnetic field component of electromagnetic wave lies in plane perpendicular to electric field- Electromagnetic waves created as result of accelerating charged particles- 1 angstrom = 1e-10 m- Speed of light c = 3e8 m/s- All electromagnetic waves travel at velocity c in vacuum, where c = (wavelength) (frequency)- Energy of wave is proportional to square of amplitude, or combined amplitude in the case of constructive/destructive interference- Atomic spectra of light: can be continuous (made of many wavelengths) or discontinuous (made of discrete concentrated wavelengths)- Balmer deduced the hydrogen spectra equation (for finding discrete frequencies of light in the spectrum as a function of n, an integer): frequency = (3.2881e15)((1/2 2 ) (1/n 2 )- Photoelectric effect: energy of photons incoming must exceed some threshold energy before electrons are emitted- Photons have energy = h(frequency)- Bohr atom consists of circular orbits where each orbit has locked in constant energy,...
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Chem 209 Chapter 8 Notes - Chem 209 Chapter 8 Notes-...

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