Chemistry
Discover the composition, structure, and properties of matter - from atomic interactions to complex reactions.
Core Topics
Atomic Structure
FoundationalLearn about atoms, electron configuration, and periodic trends
Chemical Bonding
FoundationalIonic, covalent, and metallic bonding with molecular geometry
Stoichiometry
IntermediateBalance equations, calculate yields, and master mole concepts
Thermochemistry
IntermediateEnergy changes, enthalpy, and reaction heat analysis
Acids & Bases
IntermediatepH, buffers, equilibrium, and titration analysis
Organic Chemistry
AdvancedFunctional groups, reactions, and organic synthesis
PhET Chemistry Simulations
Explore chemical reactions, atomic structure, and molecular behavior through interactive simulations.
Chemical Reactions
Visualize reaction dynamics and conservation of mass
Build an Atom
Explore protons, neutrons, and electrons
States of Matter
Understand phase changes and particle behavior
pH Scale
Explore acids, bases, and indicators
Molecules & Bonds
Investigate molecular geometry and bonding
Reaction Rates
Study catalysts and collision theory
Standards Alignment
Chemistry lessons align with core high school standards and AP-level expectations.
Core Chemistry Standards
- Atomic structure and periodic trends
- Chemical bonding and molecular geometry
- Reaction stoichiometry and equilibria
- Thermochemistry and kinetics
Advanced Topics
- Organic reactions and synthesis
- Electrochemistry and redox processes
- Gas laws and thermodynamic systems
- Laboratory safety and analysis