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CH7_over - CHAPTER 7 Quantum Mechanics 1 WAVE...

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CHAPTER 7 - Quantum Mechanics 1. WAVE characteristics of light a) Maxwell: ν λ = c b) interference - constructive, destructive c) diffraction d) de Broglie: mv λ = h for matter also 2. PARTICLE characteristics of light a) Planck - blackbody radiation, energy quan- tized : E = nh ν b) Einstein - photoelectric effect: photon col- lides with e , light quantized 3. Bohr - first to quantize matter energy of a hydrogenic atom: E n = − Z 2 n 2 Ry 4. Heisenberg uncertainty : Δ ( mu ) Δ x h /4 π 5. quantum mechanics Schr ¨odinger (Heisenberg, Dirac): ˆ H Ψ = E Ψ a) Ψ is wav efunction ( orbitals ), with quantum numbers n , l , m l , m s (Dirac added spin) b) Born - | Ψ | 2 , a probability density
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-2- CHAPTER 7 - Hydrogenic Atoms 1. quantum numbers a) n = 1, 2, . . . - principal
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