Back to homeScience III (Chemistry) · Secondary Year 3 · Change subject
Start for free

Science III (Chemistry) notes for Secondary Year 3

33 sections with theory, interactive examples, and 492 exercises graded instantly by AI.

Start from the beginning →

Matter

Mixtures and solutions

Elements and compounds

Electronic structure

Change

Change in material systems

The laws of chemical reactions

Chemical reactions

Chemical reactions of interest

Food as a source of chemical energy

Carbohydrates, proteins, and lipids

The energy content of food

Ionic compounds and molecular compounds

Ionic compounds

Molecular compounds

Oxidation-reduction reactions

The oxidation number

Oxidizing agents and reducing agents

Everyday redox processes

Pollutant concentration in ppm

Parts per million

Interpreting limits and making decisions