Chemistry · C2
Atoms, elements and compounds
Everything there has ever been is built from about a hundred kinds of atom. This unit is about how you tell one kind from another, what happens when they join, and the one thing that never changes no matter what you do to them.
- 1The atom: Dalton's modelModel
- 2ElementsClassify
- 3CompoundsContrast
- 4Chemical symbolsClassify
- 5FormulaeModel
- 6Conservation of massQuantitative