Concise guides with explanations, step-by-step examples, videos, and lots of practice with solutions.
The Atom
Chemical Reactions
Keep updated on new guides, livestreams, and opportunities. Join our email list!
Chemical Bonding
- Introduction & Key Ideas
- Finding Number of Valence Electrons
- The Octet Rule and Exceptions
- Drawing Lewis Dot Structures
- Calculating Formal Charge
- Resonance
- Molecular Geometry (Shape)
- Polar and Non-Polar Molecules
Gas Laws
Naming and Formula Writing
Redox Reactions
- Introduction to Redox
- Finding Oxidation Numbers
- Writing Half Reactions
- Key Terms
- Balancing Half Reactions
- Matching Electrons, Combining Half Reactions
- Balancing Redox in Basic Medium
- Practice, Practice, Practice!
Stoichiometry
- Intro and Info to Memorize
- Balancing Equations
- Molar Mass
- Moles Conversions
- Several Step Conversions
- Mole Ratios
- Reaction Stoichiometry
- Percent Composition