## 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
 [image]
 Planck
 Quantum Theory-energy is absorbed and emitted in discrete quantities of energy
 Planck’s Constant
 6.626*10^-34 J*sh
 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-hvinitial2)=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/mv2)hc/E3)hc/mc^24)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
 [image]
 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]
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