Concept Map โ€” Chapter 8

Last updated at June 17, 2026 by

๐Ÿ’ก Tip: follow the blue spine from "Nature of Matter" down to each topic. On a phone the map stacks top to bottom.
Nature of Matter Elements, Compounds, Mixtures 8.1 Mixtures Just mixed, not reacted 8.2 Pure Substances One type of particle 8.3 Types of Pure Elements & compounds 8.4 Uses All around us 8.5 Minerals From rocks Uniform Evenly mixed Non-uniform Parts visible Elements Cannot be broken Compounds Fixed ratio, new Metals / Non-metals Iron, oxygen Water, salt, sugar Iron sulfide Native / Compound Gold, quartz
Nature of Matter
↓
8.1 Mixtures
Just mixed, not reacted
Uniform
Evenly mixed, hidden parts
Non-uniform
Parts visible
8.2 Pure Substances
One type of particle
Cannot be separated
By physical means
8.3 Types of Pure Substances
Elements and compounds
Elements
Cannot be broken down
↓
Metals / Non-metals
Iron, oxygen, sulfur
Compounds
Fixed ratio, new properties
↓
Water, salt, iron sulfide
Made of joined elements
8.4 Uses
All around us
Medicines, alloys, fertilisers
From understanding matter
8.5 Minerals
From rocks
Native = elements
Gold, silver
Most = compounds
Quartz, calcite, mica
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