Atoms, Elements and Compounds
Elements, Compounds and Mixtures
Cambridge IGCSE Chemistry
Elements, compounds and mixtures
| Substance | What it is |
|---|---|
| element | a substance made of one type of atom only |
| compound | two or more elements chemically combined in fixed proportions |
| mixture | two or more substances not chemically combined, in any proportions |
Reading a particle diagram
| What the box shows | Substance |
|---|---|
| one kind of atom only, as single atoms or as molecules | element |
| identical particles, each made of two or more kinds of atom bonded together | compound |
| particles of two or more different substances, not bonded to each other | mixture |
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