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Electrons in Atoms and Periodic Properties
Chapter 7
22
Chemistry
Undergraduate 1
11/06/2013
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Term
Electromagnetic Spectrum
 Definition
Gamma
X-Ray
UV
Visible
Infrared
Micro
Radio
Term
Wave Properties
 Definition
Wavelength x Frequency=C
C=3.00x10^8
Term
Refraction
 Definition
Waves bend when passing through different media
Term
Diffraction
 Definition
Waves bend when going around an edge or through a narrow opening
Term
Interference
 Definition
Waves either construct or destruct amplitudes
Term
Doppler Effect
 Definition
Motion-induced frequency shift
Term
Red shift
 Definition
Light from objects moving away shifts to longer wavelengths
Term
Bright Line Spectra
 Definition
Emission
Term
Dark Line Spectra
 Definition
Absorption
Term
Quantum Theory
 Definition
E=h/v
h=6.63x10^-34
Term
nm Conversion Factor
 Definition
1m=1,000,000,000nm
Term
Work function
 Definition
WF=hv
KE=hv-WF
Term
Bohr Model
 Definition
Change in E=-2.178x10^-18(1/nfinal^2-1/ninitial^2)
Term
Ground State to Excited State
 Definition
Absorption
Term
Excited State to Ground State
 Definition
Emission
Term
De Broglie Equation
 Definition
Wavelength=h/mv
Term
Heisenburg Uncertainty Principle
 Definition
Change in X*m*Change in V >= h/4pi
Term
Principle Quantum Number
 Definition
n
Term
Angular Momentum Quantum Number
 Definition
l=0 to (n-1)
Term
Magnetic Quantum Number
 Definition
ml= -l to +l
Term
Sping Magnetic Quantum Number
 Definition
ms= +1/2 or -1/2
Term
Pauli Exclusion Priniciple
 Definition
No 2 electrons may have the same set of 4 quantum numbers
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