Six lessons cover this chapter, one for each section. Open any of them on its own below, or meet it in place inside chapter 6 of the book. Tick a lesson off once you can predict what it will do before you touch it.
1
Light and quantized energy
Change wavelength and frequency and see the energy change.
2
The Bohr model and line spectra
Jump an electron between levels and watch a spectral line appear.
3
4
5
6
Periodic trends
Watch radius, ionization energy and electronegativity move across the table.