Since the majority of students taking General Chemistry at Towson are biology majors, we have decided to incorporate as much of a biological flavor to our problems as possible. For your convenience, we have categorized the questions below. The topics shown to have links contain completed questions. The number of questions in each category is shown in parenthesis. More will be added as they are completed.

List of Categories for ConcepTests
  1. Measurements
    2. -- includes Units (3), Handling Exponents (2), and Density (1)
  2. Atoms, Nuclear Rxns, Molecules & Ions
    3. -- includes Atoms, Molecules, Elements, Compounds (3) and Atomic Structure (1)
  3. Chemical Nomenclature
    4. -- includes Naming Oxyacids (1)
  4. Formulas, Moles, MW & Writing Equations
    5. -- includes Writing & Balancing Chemical Equations (1), Formulas & Moles (2), Mole Concept (6), Molar Mass (1), Formula & % Mass (3), and Limiting Reactant (4)
  5. Rxns in Aqueous Solutions
    6. -- inlcludes Identifying Types of Reactions (1), Acid Base Reactions (1), and Redox Reactions (6)
  6. Periodicity
    7. -- includes Atomic Size (1)
  7. Atomic Structure, Spectroscopy
    8. -- includes Electron Configurations (2), High Energy Bonds and Energy Diagrams (1), Energy Diagrams and Wave Properties (4)
  8. Ionic Bonds, Octet Rule
    9. -- includes Ions (5), Octet Rule (3), and How Many & Which Ions Are Present (8)
  9. Covalent Bonds & Molecular Structure
    10. -- includes Covalent Bonds & Molecular Structure (1) , Hybridization (2), Bonding (2), and Resonance Structures (2), Polarity (3)
  10. Thermochemistry
    11. -- includes Enthalpy (6)
  11. Gases
    12. includes Barometers (1) and Ideal Gas Law (1)
  12. Liquid, Solids, Phase Changes & Intermolecular Forces -- includes Osmosis (7), Melting Points & Boiling Points (3), Solubility (2), Physical Properties (3)
  13. Solutions
  14. Advanced Redox Equations & Titrations
  15. Chemical Kinetics, Radioactive Decay Rates
    16. -- includes Instantaneous Rates (2), Rate Laws (2), Partial Orders (2), Radioactive Decay (1)
  16. Chemical Equilibrium
    17. -- includes Chemical Equilibrium (1), LeChatelier's Principle #1 (1), LeChatelier's Principle#2 (2), LeChatelier's Principle#3 (1)
  17. Aqueous Equilibria: Acids, Bases
    18. -- includes pH (3), H3O+/OH- Concentration#1 (2), H3O+/OH- Concentration#2 (3), Acid/Base Strength (3)
  18. Aqueous Equilibria: Titrations, Buffers
  19. Aqueous Equilibria: Solubility, Ksp
  20. Thermodynamics: Entropy, Free E, Equilibria
  21. Electrochemistry