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Transcript
Bohr Model of the Hydrogen Atom
Postulates
• Certain orbits are stationary.
• Photon emission occurs upon orbital trans.
• Angular momentum is quantized.
Matter Waves
Louis de Broglie (1892 – 1987)
l = h/p
Constructive Interference
(Standing Wave)
Destructive Interference
Hydrogen Atom
Towards a Wave Equation
Classical Wave Propagation
Hamiltonian Mechanics
H = T + V
William Hamilton
(1805 – 1865)
Now What?
The wave function contains all possible
information about a system, so instead of
speaking of “the state described by the
wave function Y,” we simply say “the
state Y.”
Quantum Chemistry by Ira N. Levine
Erwin Schrodinger (1887 – 1961)
What is the Wave Function?
Quantum mechanics does not say that an electron is
distributed over a large region of space as a wave is
distributed. Rather, it is the probability patterns
(wave functions) used to describe the electron’s
motion that behave like waves and satisfy a wave
equation.
Quantum Chemistry by Ira N. Levine
Max Born (1882 – 1970)