Skip to content

Oxidation numbers

Oxidation numbers (also called oxidation states) are a bookkeeping system used to track how electrons are distributed in chemical compounds and reactions. They help us identify which atoms are…

Sign up free to read this section

Create a free Hlayiso account to read the full Oxidation and reduction notes for Grade 11 Technical Sciences.

Sign up free

Common questions

Can’t find your answer? Contact us

What will I learn in "Oxidation numbers"?

This section covers Oxidation numbers as part of Oxidation and reduction in Grade 11 Technical Sciences. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Oxidation numbers", are written against the official CAPS curriculum and ATP for Grade 11 Technical Sciences.

What should I study after "Oxidation numbers"?

Continue with the next section in Oxidation and reduction, or test your understanding with the interactive quiz linked to this section.

Practise Oxidation numbers with quizzes and flashcards

Create a free account to practise Grade 11 Technical Sciences and track your progress.

Start free
Download on the App StoreGet it on Google Play
Free plan available. Paid plans from R49 a month.