• Percent Composition
• Empirical Formulas
• Finding Empirical Formulas from Percent Composition (D.D.R.)
  
• Finding Molecular Formulas
• Nomenclature of Hydrates (naming)
• Determining the exact formula of a hydrate (D.D.R. v2.0)

Chapter 3:

  In this chapter, you will learn:

• to define the term atom
• to list the postulates of Dalton's theory
• to discuss how atoms are related to electricity
• to discuss Rutherford's alpha-scattering experiment
• to determine the number of protons, neutrons, and electrons in an atom or ion
• to define isotopes and atomic mass
• to describe the changes that accompany nuclear reactions

Millikan's Oil Drop Experiment