Formulae — IGCSE Chemistry Chemistry

Working out chemical formulae and writing balanced chemical equations. This sits within IGCSE Chemistry (Cambridge), alongside the other topics on that syllabus.

Real exam questions on Formulae, compiled by topic rather than by year, testing understanding rather than recall alone. Newer files include their own answers.

Quick-check multiple-choice questions on Formulae, for testing recall and spotting gaps fast.

Presentation notes for Formulae, for online study — view only.