Chemistry Final Exam Review Guide 2014 Mr. Bitar and Mr. Zandonella Unit Matter Atomic Structure and Nuclear Chemistry Scientific Measurement Electrons in Atoms Periodicity Ionic Bonding Formula Math Covalent Bonding and Molecular Shapes States of Matter Topics Chemical vs. Physical: Properties, Changes. states of matter, elements and compounds, mixtures, heterogeneous vs. homogeneous Atom: Nucleus, electron cloud, protons, neutrons, electrons, atomic number, mass number, isotopes, calculating atomic mass, ions, nuclear stability, Half-life, transmutation reactions, fission and fusion Math: Qualitative and quantitative measurements, scientific notation, significant digits, SI units, metric conversions, density, dimensional analysis (factor-label), Electrons: Valence electrons, configurations, orbital notation, excited state/ ground state, energy levels, light, waves Classifications: Groups, periods, ionization energy, electronegativity, atomic size, ionic size, metals, nonmetals, transition elements, representative elements Types of Bonds: ionic bonds, metallic bonds, electronegativity, octet rule, drawing ionic bonds, Naming and Writing Formulas: cations, anions, polyatomic ions, roman numerals, hydrates-prefixes Mole: Avogadro’s number, mole conversions (mass and particle), molar mass (formula mass), % composition Lewis Dot Structures: Octet rule, duet rule, single bonds, double bonds, triple bonds, shapes (linear, bent, triangular pyramid, tetrahedral), VSEPR Theory, Bond Angles (109.5, 107, 104.5, 180), AXE number, lone pair (nonbinding) electrons, bonding electrons. Polarity: Electronegativity, partial charges, bond polarity (polar bond, nonpolar bond), molecule polarity (polar molecule, nonpolar molecule). Nomenclature: Naming, prefixes Skills: Drawing & interpreting dot structures, determining polarity, bond dissociation energy, bond length, empirical formula, molecular formulas Intermolecular Forces: London dispersion, dipole-dipole, hydrogen bonding (relative strengths, evaporation rate, boiling point, melting point, vapor pressure). 3 States of Matter: Solid, Liquid, Gas (differences in density, changes in volume, changes in shape, intermolecular forces) Phase Changes: Sublimation, deposition, condensation, vaporization, freezing, fusion Heating/Cooling Curves: Phases and changes in energy Phase Diagrams: critical point, triple point Temperature: what it measures, evaporation rate, evaporation temperature Pressure: Pressure conversions, vapor pressure Gases: Ideal Gases, Ideal Gas Law calculations, Kinetic Molecular Theory (KMT), Real gases Energy: Unit, Law of Conservation of Energy. Properties of Liquids: Surface tension, IMF, surfactants, viscosity, adhesion and cohesion. Text Book Sections 3.1 – 3.4 4.1 – 4.4 24.1 – 24.4 2.1 – 2.4 5.1 – 5.3 6.1 – 6.3 7.1 -7.4 10.1 – 10.3, 10.5 8.1 – 8.5 (omit Resonance and hybridization) 12.1 – 12.4, 13.2 Solutions Chemical Changes and Stoichiometry Reaction Rates, Equilibrium and Entropy Solutions: solution, solute, solvent, solvation, hydration, dissociation Solubility: soluble, insoluble, solubility rules, factors that affect solubility, immiscible, miscible Types of Solutions: saturated solution, unsaturated, supersaturated Concentration: Molarity, Molality, Concentrated/Dilute solution. Skills/Calculations: Dissociation reactions, solubility curves, molarity and molality calculations, Like dissolves Like Acids/Bases: pH, acidic vs. basic solutions, calculating pH and pOH Chemical Equations: Reactants, products, yields/produces Balancing: Law of Conservation of Mass (atoms), balancing chemical reactions, word equations (ionic bonds, covalent bonds, pure elements, diatomics) Types of Reactions: Composition/Synthesis/Combination, Decomposition, Single Replacement/Displacement, Double Replacement/Displacement, Combustion, Oxidation-Reduction, Acid-base neutralization Stoichiometry: Mole-Mole, Mass-Mass, Volume Calculations Redox: oxidation and reduction reactions Potential Energy Diagram: Labeling (Reactants, Products, Activated Complex, Activation Energy, Energy [Enthalpy] Changes) Endothermic, Exothermic, Catalyst Factors Affecting Reaction Rates: Temperature, Concentration, Particle Size, Catalysts Equilibrium: Reversible Reactions, Chemical Equilibrium, LeChatelier’s Principle, Equilibrium Constant Expression Entropy/Enthalpy: ∆H, ∆S, spontaneous reactions, changes in state, gas, dissolving, temperature 14.1 – 14.3, 18.1 (p. 634 – 637), 18.3, 18.4 (p. 659 – 664) 9.1 – 9.3, 11.1, 11.2, 13.3, 19.1 15.1 (p. 516 – 518), 16.1 , 16.2, 17.1, 17.2, 15.5 Study your notes. Use your book for reference and sample problems. Study homework worksheets and problems from the text. Review the material you found the most difficult first. Be sure to do some Chemistry, don’t just look at it! Don’t do all of your studying in one night. Review one unit a night. Spread out your studying. Form study groups with your friends or ask parents to quiz you. Take advantage of extra-help and study sessions Good Luck on the Exam!!!