2: Atoms and The Atomic Theory Last updated Save as PDF Page ID11722 2.1: Early Chemical Discoveries and the Atomic Theory2.2: Electrons and Other Discoveries in Atomic Physics2.3: The Nuclear Atom2.4: Chemical Elements2.5: Atomic Mass2.6: Introduction to the Periodic Table2.7: The Concept of Mole and the Avogadro Constant2.8: Using the Mole Concept in CalculationsHomework Problems Petrucci: General Chemistry Principles and Modern Applications I II III IV V VI VII VIII IX X XI XII XIII XIV XV XVI XVII XVIII XIX XX XXI XXII XXIII XXIV XXV XXVI XXVII XXVIII Topic hierarchy Thumbnail: Schematic of Rutherford's famous gold foil experiment.
