Journal: Summarize what you learned from yesterday’s Mole Introduction activity. Describe at least two things that you learned. If you were absent, listen carefully to today’s discussion so that you can answer this question.

Class: Mole notes (see slides 1-13 of 9/19 attachment)

HW: Scientific Notation, Sig Figs, & Metrics quiz TOMORROW
Test #1 Thurs. 9/26
Polyatomic Ion quiz Mon. 9/30 (see 9/9 attachment)