Six lessons cover this chapter, one for each section. Open any of them on its own below, or meet it in place inside chapter 18 of the book. Tick a lesson off once you can predict what it will do before you touch it.
1
Periodicity of the main groups
Move across and down the main groups and track the pattern.
2
Alkali and alkaline earth metals
Drop group 1 and 2 metals in water and compare the reaction.
3
Boron, aluminum, carbon and silicon
Compare the structures and uses of group 13 and 14 elements.
4
Nitrogen and phosphorus
Follow nitrogen and phosphorus through their oxides and acids.
5
6
Halogens and noble gases
Compare halogen reactivity and see why noble gases hold back.