Answer Happy

1. Empirical Form of Magnesium Oxide a. Know how to calculate moles, grams, mole ratio, and to write empirical formula of a compound given experimental data. II. Lewis Structures a. Know how to determine valence electrons of atoms, ions, and molecules. b. Draw Lewis structures for molecules/ions. c. Know how to calculate formal charge for each element in a molecule/ion. d. Know how to determine molecular & electron geometries for molecules/ions (using AXE notation) e. What are resonance structures and how are they formed? f. Know how to draw resonance structures and determine the major resonance contributor for a molecule/ion. III. Limiting Excess Reagents a. Know how to calculate yield, actual yield & theoretical yield b. Determine the limiting and excess reagent(s) in a chemical reaction. IV. Chemical Reactions a. Know how to write molecular equations, ionic and net ionic equations for metathesis reactions. b. Understand solubility rules/table. c. Predict if a precipitation reaction will occur using solubility rules. V. Terms a. Empirical formula b. Octet rule c. Molecular and electron geometries d. VSEPR e. Precipitate f. Büchner filter system g. Metathesis reactions