The structure of atoms: 9.2.6 - Electronic configurations
Discussion of the nature of chemistry using a lump of iron as example.
Physical and chemical properties
Magnify iron to see underlying structure to help explain physical property
Magnify an iron atom to see underlying structure to help explain chemical property
Use short form of the periodic table to introduce electronic configurations and their relationship with the periodic table.
Student follow up
Write out the electronic configuration of the first 20 elements