Chemistry Test One Notes - Chemistry Test One Notes Atomic...

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Chemistry Test One Notes Atomic Structure Rutherfords Experiment JJ Thompson- atom relatively large positively charged small electrons embedded Rutherford o Small positively charged mass surrounded by electrons o Most of mass is nucleus Quantinizatoin of Energy Light is electromagnetic radiation Planck- quantum theory, energy is not continuous o Energy comes in discrete packets o E= hv Photoelectric effect- Einstein o Light consisits of photons o Each photon is packet of energy o Convincing support to energy quantinization Bohr Model Explains characteristic lines of emission and absorbtion spectrum of atom 1913 proposed atomic model o Nucleus pos, electrons neg o Electrostatic attraction between nucleus and electrons prevents the electrons from  flying away
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o Electron has angular momentum; Bohr assumed it was quantinizted and equal to  some integral multiple of n/2pi o Mevr=n h/2pi, n= 1 2 3 4 o Equation: Spectra of a Hydrogen Atom Lines come from change of energy state Equation: Due to quantinizaton of energy states in atom, absorbtion and emission spectrum at atom  consists of lines
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This note was uploaded on 04/07/2008 for the course CHEM 1310 taught by Professor Cox during the Spring '08 term at Georgia Institute of Technology.

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Chemistry Test One Notes - Chemistry Test One Notes Atomic...

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