Materials for Chemistry. Check back here for unit materials, lab handouts, and study guides — updated as we go.
At-home practice
Extra practice problems for every unit, with instant feedback and a full explanation for every answer — including why the tempting wrong answer is wrong. Pick your difficulty level and how many questions you want. Nothing is graded and nothing is collected; this is purely for your own practice.
- Unit 1 — Introduction to Chemistry (A Shot in the Dark)
- Unit 2 — Atomic Theory (Found or Forgery)
- Unit 3 — The Periodic Table (Conflict and Cellphones)
- Unit 4 — Bonding (When Bonds Break)
- Unit 5 — The Mole (The Case of the Poisonous Pill)
- Unit 6 — Chemical Equations (The Secret Recipe)
- Unit 7 — Chemical Equations (Crash)
- Unit 8 — Stoichiometry (The Alchemist’s Apprentice)
- Unit 9 — Thermochemistry (The Stardust Fire)
- Unit 10 — Gas Laws (In Too Deep)
- Unit 11 — Solutions (An Aquatic Apocalypse)
Unit materials
Posted here as each unit wraps up.
Lab handouts
Posted before each lab day.
Comella science 