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Chemweb Online

Introduction to Chemistry

This site is an introduction to chemistry that would be covered in a first year chemistry course. The list below is a suggestion in which order to view the site but you can select any topic that you wish to learn about.

  1. Mathematics Review
    Metric System
    Scientific Notation
    Significant Figures
    Dimensional Analysis
  2. Matter and Its Changes
    Atoms Ions Molecules
    Compounds Elements Mixtures
    Physical and Chemical Changes
  3. Atomic Structure
    SubAtomic Particles
    Basic Strucure of an Atom
    Atomic Number, Mass Number, and Isotopes
    Atomic Weight
    Avogadro's Number and The Mole
  4. Inorganic Nomenclature
  5. Chemical Composition
    Formulas and Molecular Weight, Percent Composition, Empirical Formula
    Molecular Formula
  6. Balancing Equations and Types of Reactions
  7. Stoichiometry
    Regular
    Limiting Reactant
  8. Gas Laws
    Properties of Gases
    Boyle's Law
    Charles's Law
    STP and Gas Collected over Water
    Combined Law
    Ideal Gas Law
  9. Electron Configuration & Periodicity
    Electron Configuration of Atoms and Ions
    Periodic Properties
    Reactivity
    Radius
    Ionization Energy
    Electron Affinity
  10. Bonding
    Lewis Dot
    Ionic
    Covalent
    Polar Covalent
    Resonance
  11. Molecular Geometry
    VSEPR model
    Polarity
    Hybridization
    Multiple Bonds
  12. Solutions
    Molarity
    Molality
    Mole Fraction
    Kf and Kb
  13. Equilibrium
    Definition of Chemical Equilibrium
    Equilibrium Constant (a.k.a. Kc)
    Le Chatelier's Principle
  14. Acid-Bases
    pH
    Bronsted Acids and Bases
    Lewis Acids and Bases
  15. Redox Reactions
    Oxidation Numbers
    Redox Reactions
  16. Nuclear Chemistry
    Nuclear Equations
    Radioactive Decay
    Nuclear Bombardment Reactions
    Half-Life
  17. Lab Equipment
  18. Periodic Table
  19. Fun Fun Chemistry Stuff
  20. Current Topics
  21. Thanks