Across
- 1. Properties of matter than can only be seen during a chemical reaction
- 3. Generally have a high density
- 4. Generally a gas at room temperature
- 7. Is sometimes malleable and ductile
- 9. A substance made up of one type of particle that can not be further simplified
- 10. the change in state from gas to liquid
- 12. The change in state from solid to gas
- 13. The rapid reaction with oxygen that results in lots of energy
- 15. Has a fixed volume and shape
Down
- 2. A type of mixture that is not evenly combined
- 5. The number of protons in an atom
- 6. The slow reaction of metals with oxygen that forms metal oxides
- 8. Mass/Volume
- 11. The amount of protons and neutrons in total
- 14. Has a fixed volume but no fixed shape