Honors Chemistry Chapter 2 Review Topics:

Atomic Theory:  Democritus, Dalton and Modern

Law of Conservation of Mass

Law of Definite (or Constant) Composition

Law of Multiple Proportions

Discovery of atomic particles: 

            Electron – Cathode Ray tube - Thompson and Millikin oil drop experiment

            Thompson’s “Plum Pudding” Model of the atom

            Nucleus – Rutherford (Gold foil experiment)

            Proton – Rutherford

            Neutron – Chadwick

Radioactivity – Henri Becquerel

3 types of radiation – alpha, beta, gamma - Rutherford

Properties of atomic particles:  size, charge, mass, AMU (or U)

Angstrom

Isotopes, atomic number, mass number, nuclides

Atomic Mass (or Weight)

Periodic Table:  period (or series), group (or family); metals, non-metals, metalloids (or

   semimetals)

Molecule

Diatomic molecules-MEMORIZE

Molecular formula

Empirical (or simplest) formula

Structural formula

Ions:  cation, anion

Memorize common ion tables

Predicting ionic or covalent compounds and ionic charges using the Periodic Table

Writing and naming ionic formulas and acid names and formulas

Naming covalent diatomic compounds using the prefix system and the Roman Numeral System.