[NOTES] Chapter 1: Keys to Studying Chemistry - Definitions, Units, and Problem Solving, [NOTES] Chapter 2: The Components of Matter, [NOTES] Chapter 3: Stoichiometry of Formulas and Equations...
EL 1 - Where do the chemical elements come from?, EL 2 - How do we know so much about outer space?, EL 3 - Electrons, where would we be without them?...