Bohr Model of Hydrogen Visible Spectrum Full Spectrum
Quantized Electron Orbits Louis de Broglie (1892 – 1987) l = h/p
Erwin Schrodinger (1887 – 1961) H Y = E Y Wave Equation
Wave Equation Solution for E
Wave Equation Solution for Y Ground State (n = 1)
Wave Equation Solution for Y First Excited States (n = 2)
Wave Equation Solution for Y d orbitals (n > 2)
Wave Equation Solution for Y f orbitals (n > 3)
Electron Spin Up Spin Down Spin
Splitting of Energy Levels
Many Electron Energy Diagram
Correct Helium Configuration? Wolfgang Pauli (1900 - 1958)
Correct Configuration for Carbon? Friedrich Hund (1896 – 1997)
Electron Configurations H = 1s1 He = 1s2 Li = 1s2 2s1 Be = 1s2 2s2 B = 1s2 2s2 2p1 C = 1s2 2s2 2p2 N = 1s2 2s2 2p3 O = 1s2 2s2 2p4 F = 1s2 2s2 2p5 Ne = 1s2 2s2 2p6 Na = 1s2 2s2 2p6 3s1 Mg = 1s2 2s2 2p6 3s2 Al = 1s2 2s2 2p6 3s2 3p1 Si = 1s2 2s2 2p6 3s2 3p2 P = 1s2 2s2 2p6 3s2 3p3 S = 1s2 2s2 2p6 3s2 3p4 Cl = 1s2 2s2 2p6 3s2 3p5 Ar = 1s2 2s2 2p6 3s2 3p6 K = 1s2 2s2 2p6 3s2 3p6 4s1 Ca = 1s2 2s2 2p6 3s2 3p6 4s2 Sc = 1s2 2s2 2p6 3s2 3p6 4s2 3d1 etc.
The Modern Periodic Table of the Elements