Agenda
- Warm-up: three elements, and which is most reactive — argued before anybody looks anything up
- Predict from the trends: atomic radius, ionisation energy, and reactivity for elements nobody plotted. Periodic Trends
- Check against the data table; the misses are the interesting ones
- Log it in your Chemistry Journal
Things to do before our next class
- Journal: the prediction you got wrong, and what the trend actually said.