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Table of contents

 Slide 1 Imaging and Moving Atoms Atomic Theory of Matter and Its Laws Atomic Theory of Matter and Its Laws Atomic Theory of Matter and Its Laws Law of Definite Proportions Law of Multiple Proportions Slide 8 Discovery of the Electron and Its Properties Discovery of the Atom’s Electron Charge to Mass Ratio of Electron Experiment Millikan’ Oil Drop Experiment Atomic Structure of the Electron J.J. Thomas: The Plum Pudding Model of the Atom Rutherford’s Gold Foil Experiment Rutherford’s Gold Foil Experiment: Discovery of the Nucleus Atomic Structure: Historical Perspective Number of Protons in an Atom Determines the Element’s Identity Isotopes: Same Element but with Different Masses Slide 20 Slide 21 Problem: Complete the following table: Answer: Isotopes and Atomic Mass (weight) Problem: Calculating an element’s atomic mass Answer: Calculating an element’s atomic mass Ions are Charged Atoms Slide 28 Periodic Table: Historic perspective Periodic Table: Organization Areas of the Periodic Table Periodic Table: Major Divisions Periodic Table: Metals Periodic Table: Metalloids Periodic Table: Nonmetals Periodic Table: Families Families: Grouping of the Periodic Table Ions and the Periodic Table Periodic Table: Ion Formation What is a Mole? Problem: How large is a mole? Answer: How large is a mole? Mass to Mole Conversions Mole to Mass Conversions Mass to Number of Atoms Conversions Atoms to Mass Conversions