Chapter 5
Across
- 2. amount of a substance in a given volume.
- 3. new substances that form.
- 7. the atoms rearrange to form new substances.
- 10. When two or more elements or compounds combine.
- 12. matter does not enter or leave.
- 13. matter is not created or destroyed.
- 15. When one element replaces another element.
- 16. the mixing of two liquids.
- 17. melting ice cubes.
Down
- 1. Occurs when compounds breakdown
- 4. substances that undergo the chemical changes.
- 5. Needed when you start a car engine.
- 6. A way to show chemical reaction using symbols.
- 8. any change that alters the form.
- 9. burning of a candle.
- 11. matter can be entered from.
- 12. a number placed in front of a chemical formula.
- 14. increases the reaction rate.