Chemistry

Chemistry — Grade 11

American Curriculum · Ages 16-17

Eleventh grade Chemistry is generally AP Chemistry or an honors course taken after the first-year chemistry class. It revisits familiar ground (atomic structure, bonding, stoichiometry) at a substantially higher level, then moves into the material that defines the course: kinetics, equilibrium, thermodynamics and electrochemistry.

Equilibrium is where most students lose ground, because ICE tables, Ka and Kb calculations, buffers and titration curves compound on one another, and an error early in a problem carries all the way through. The AP exam rewards students who can justify an answer with particle-level reasoning rather than a memorised rule, and the required laboratory investigations feed directly into the free-response section.

Key topics covered

• Atomic Structure & SpectroscopyPhotoelectron spectroscopy, periodic trends and Coulombic attraction.
• Intermolecular Forces & PropertiesBonding models, IMFs, and how structure determines physical properties.
• KineticsRate laws, reaction mechanisms, activation energy and catalysis.
• ThermodynamicsEnthalpy, entropy, Gibbs free energy and spontaneity.
• EquilibriumICE tables, Le Chatelier's principle and the equilibrium constant.
• Acids, Bases & BuffersKa and Kb, titration curves, buffer calculations and indicators.
• Electrochemistry & Free ResponseRedox, galvanic and electrolytic cells, and structured written answers.