Definitions

Issac Newton
Used a prism to separate visible light into a spectrum
Refraction
Bending of a beam of light as it passes through mediums with different densities
Diffraction
Bending of electromagnetic radiation as it passes around the edge of an object
Electromagnetic Spectrum and Wavelenth direction
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Planck
Quantum Theory-energy is absorbed and emitted in discrete quantities of energy
Planck’s Constant
6.626*10^-34 J*s
h
Energy of a photon
E=hc/lambda
wavelength
lambda
c
speed of light 3.0*10^8 m/s
Work function
planck’s constant*initial frequency
Kinetic Energy of an electron
1)=hv-hvinitial
2)=hv-work function
Bohr’s Model of Hydrogen [E=-2.178*10^-18J (1/n^2)]
[image]
Transitions between Energy Levels
[image]
Emission and Absorption in the Balmer Series
[image]
De Broglie
1)lambda=h/mv
2)hc/E
3)hc/mc^2
4)h/mc
Speed of light
c=lanmbda*new
Standing Waves
[image]
Heisenberg Uncertainty Principle
Deltax*m*Deltav>h/4pi
Deltax
Uncertainty in position
Deltav
Uncertainty in velocity
Quantum Numbers and Electron Spin
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Principle Quantum Number
n
Angular Momentum Quantum Number
l
Magnetic Quantum Number
msubl
Electron Spin
msubs
~+ or minus 1/2
Paoli Exclusion Principle
no two electrons in an atom can have the same set of 4 quantum numbers
S orbital
sphere
D orbitals
[image]
P orbitals
[image]
Orbital Filling Diagrams
[image]
Atom Size
[image]
Ionization Energy Trend
~Corresponds with electronegativity trend and nuclear charge
[image]
x

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