1. Hydrogen Atom Emission Spectrum

2. Hydrogen Atom Energies & Bohr Model

3. Wave – Particle Duality of the Electron
Louis de Broglie (1892 – 1987)
L. H. Germer and C. J. Davisson

4. Electron as “Orbiting” Wave
Constructive Interference
Destructive Interference
(Standing Wave)
More on Standing Waves:

5. Quantized “Orbits” Due To Standing Wave

6. Three Dimension Standing Waves for Hyd.
H Y = E Y
Erwin Schrodinger (1887 – 1961)

7. Wave Equation Solution for Y
Ground State (n = 1)

10. Helium Spectrum (Not Complete)

11. Helium’s Energy Diagram