1. Review for Quiz # 1 (30 points) Formulas you need to memorize –Density and % error Need to be able to determine moles, grams, or molecules using dimension analysis How to determine E, λ, ν, given the necessary information, and the formulas.

2. Know meanings and patterns of Ionization energy, electronegativity, and atomic radius. Predict equations Metal or metal oxide + water → ? Non-Metal or non-metal oxide + water → ? Mettaloid + water → ? Look over pre-lab questions

3. A. Molar Conversion practice Examples How many moles of carbon are in 26 g of carbon? 26 g C 1 mol C 12.01 g C = 2.2 mol C

4. B. Molar Conversion Examples How many molecules are in 2.50 moles of C 12 H 22 O 11 ? 2.50 mol 6.02  10 23 molecules 1 mol = 1.51  10 24 molecules C 12 H 22 O 11

5. C. Molar Conversion Examples Find the mass of 2.1  10 24 molecules of NaHCO 3. 2.1  10 24 molecules 1 mol 6.02  10 23 molecules = 290 g NaHCO 3 84.01 g 1 mol