Unit 3 — Stoichiometry
Formulae — O Level Chemistry Chemistry
Working out chemical formulae and writing balanced chemical equations.
Resources for this topic are being prepared.
In the meantime, here are a few places that might help instead:
Topic Overview
Working out chemical formulae and writing balanced chemical equations. This sits within O Level Chemistry (Cambridge), alongside the other topics on that syllabus.
Topical Past Papers
Real exam questions on Formulae, compiled by topic rather than by year, testing understanding rather than recall alone. Newer files include their own answers.
Topical Past Papers coming soon
MCQs
Quick-check multiple-choice questions on Formulae, for testing recall and spotting gaps fast.
MCQs coming soon
O Level Chemistry Notes
Presentation notes for Formulae, for online study — view only.
Notes coming soon