Across
- 1. A substance made of one type of atom only
- 5. A mixture of sugar and water is called a s......n
- 7. The raw materials in a chemical reaction
- 9. In a mixture of sugar and water, sugar is the s....e
- 10. In a chemical r......n chemical bonds are broken or made, and new substances are formed
Down
- 2. A chemical expression that shows the reactants and products in a chemical reaction
- 3. The end results of a chemical reaction
- 4. Compounds are held together by chemical b...s
- 6. The study of matter and how it changes
- 8. Something that dissolves other substances, eg. water
- 11. The chemical formula for c...k is CaCO3