Chemistry

IXL offers dozens of Chemistry skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

IXL offers dozens of Chemistry skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

B. Laboratory equipment and safety

  1. 1
    Identify laboratory tools
  2. 2
    Select a laboratory tool for an experiment

D. Properties of matter

  1. 1
    Classify matter using physical and chemical properties
  2. 2
    Introduction to the periodic table
  3. 3
    History of the periodic table

E. Energy changes

  1. 1
    Matter and energy transfer between a system and its surroundings
  2. 2
    Identify exothermic and endothermic processes

F. Atomic structure

  1. 1
    Models of the atom
  2. 2
    Count subatomic particles in atoms and ions
  3. 3
    Nuclear notation for atoms and ions

G. Nuclear chemistry

  1. •
    New! Types of radioactive decay
  2. 1
    Classify nuclear reactions
  3. 2
    Predict products and reactants in nuclear reactions

I. Periodic trends

  1. 1
    Periodic trends: Ionization energy

J. Chemical bonding

  1. 1
    Introduction to chemical bonding
  2. 2
    Determine which type of chemical bond can form
  3. 3
    Classify and describe covalent substances, ionic compounds, and metals

L. Molecular structure

  1. 1
    Identify the Lewis structure of a molecule or ion
  2. 2
    Predict the shape of a molecule using VSEPR theory
  3. 3
    Use Lewis structures to predict molecular polarity

M. Intermolecular forces

  1. 1
    Identify types of intermolecular forces between molecules
  2. 2
    Explore intermolecular forces and kinetic energy in phase diagrams

O. Balancing chemical equations

  1. 1
    Count atoms in chemical reactions using models
  2. 2
    Count atoms in chemical equations
  3. 3
    Balance chemical equations I
  4. 4
    Balance chemical equations II

R. Properties of gases

  1. 1
    Boyle's Law: pressure and volume relationships of gases
  2. 2
    Charles's Law: volume and temperature relationship of gases
  3. 3
    Ideal gas law

S. Solutions

  1. 1
    Solve problems using solubility curves
  2. 2
    Calculate the molarity, amount of solute, or volume of a solution
  3. 3
    Calculations involving dilutions

T. Thermochemistry

  1. 1
    Interpret heating curves
  2. 2
    Calculations involving specific heat

U. Rates of reactions

  1. 1
    Determine the average reaction rate
  2. 2
    Factors that affect reaction rate

V. Equilibrium

  1. 1
    Determine the equilibrium-constant expression for a reaction
  2. 2
    Predict the equilibrium shift
  3. 3
    Identify the stresses that cause an equilibrium shift