Agenda
- Build all eight from the kits, using the electron counts given
- Compare builds — find two groups who built one formula differently
- Name it: Lewis Structures and Models — conventions, against your builds
- Names and formulas as a system, not a list: Naming and Formulas
- Keep beside you: Polyatomic Ions and Naming Rules at a Glance
- Practise: Naming Practice, first section, in pairs
Things to do before our next class
- Naming Practice, questions 1–12.
- Journal: one naming rule that still feels arbitrary, and why.