Bohr model, quantised energy levels, and atomic spectra

What this note covers

1. Historical context and the need for a quantum model
2. Bohr's postulates and the quantised orbit model
3. The energy level formula and energy level diagrams
4. Calculating photon energies for electron transitions
5. Origin of emission and absorption spectra
6. Limitations of the Bohr model
7. Summary of spectral series calculations and an astrophysical application

7 sections · 14 key terms & formulas · 6 common mistakes