41_quantum_atom

41_quantum_atom - Lesson 41 Quantum Model Bohr's model of...

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Lesson 41: Quantum Model Bohr's model of the atom was a great triumph, but it also had several problems that even Bohr was willing to admit. His model could not explain any of the following: 1. Why shouldn't electrons emit EMR when they are in their energy levels? 2. The formulas only work for hydrogen. 3. It was found that each emission line is actually made of two or more closely spaced lines, called the fine structure . 4. Some emission lines are brighter than others. It must be remembered that in Bohr's model the electron was still considered to be a particle (like some infinitely small ball) spinning around the nucleus. Bohr hadn’t totally realized how much his theory and quantum mechanics could be joined. de Broglie had shown how particles have wavelike properties. Although everyday objects are too large to show much wavelike behavior, electrons definitely can and do. It started to become clear that electrons can not be though of as particles… maybe they are acting more like waves even in the model of the atom. Assume that you figure out the de Broglie wavelength of an electron.
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This note was uploaded on 12/02/2011 for the course PHYSICS 235 taught by Professor Staff during the Fall '08 term at Rutgers.

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41_quantum_atom - Lesson 41 Quantum Model Bohr's model of...

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