Everything you need and then some!
General Resources Online textbooks, youtube channels, animations, College Board tools.
Unit 1 (Ch 1-3) Particle-level basics, Atomic Structure and periodic table basics, Stoichiometry.
Unit 2 (Ch 4-5) Chemical reactions (aqueous, acid-base, redox) and Thermochemistry basics
Unit 3 (Ch 6-7) Electron configurations, Atoms and EM radiation, Periodic Trends (atomic/ionic radii, ionization energy, electron affinity).
Unit 4 (Ch 8-9) Types of bonds, Lewis dot, resonance, lattice energy, bond energy & order, geometry, molecule polarity, orbital hybridization.
Unit 5 (Ch 10) Gas laws, KMT & Boltzmann distributions, gas stoichiometry
Unit 6 (Ch 11-13) IMFs, liquid & solid properties, factors affecting solubility, energy in phase changes
Unit 7 (Ch 14) Kinetics, reaction rates, rate laws, integrated rate laws, mechanisms, energy
Unit 8 (Ch 15) Equilibrium, LeChatlier's Principle, Quantitative Equilibrium/ICE tables, Solubility Equilibrium
Unit 9 (Ch 16) Acid/Base definitions, pH, strong/weak Acid-base interactions and calculations, indicators, salt hydrolysis.
Unit 10 (Ch 17) Titrations with strong and weak acids/bases, titration curves, buffers, common ion effect.
Unit 11 (Ch 19) Entropy concepts and calculations, Gibbs free energy concepts and calculations, spontaneity
Unit 12 (Ch 20) Electrochemistry, galvanic and electrolytic cells, cell potential and free energy, Faraday's law