Benzene structure and electrophilic substitution.

Extends the concepts from Module 3 into more complex mathematical and physical areas.

Titrations, pH basics, and oxidation numbers.

Content overview * Atoms, compounds, molecules and equations. * Amount of substance. * Acid–base and redox reactions. * Electrons, Cambridge OCR

Explores the trends of the periodic table and the energy changes in chemical reactions.

Standard electrode potentials and fuel cells.

For students preparing for exams, several high-quality resources are available:

Rate equations, orders of reaction, and Kccap K sub c calculations.