Across
- 2. oxygen is this at room temperature
- 6. conducts electricity
- 8. has an orange color due to a chemical reaction
- 12. property that can be observed when the substance changes into a new substance
- 14. physical property that describes the temp at which a liquid turns to a gas
- 15. all one type of atom
- 18. bursts into flames when exposed to air
- 19. evenly mixed mixture
- 20. 2 or more substances physically combined
- 23. how tightly packed molecules or atoms are in a substance
- 24. 1 proton
- 25. a physical property that iron has
- 26. able to be made into thin sheets
Down
- 1. a physical property of diamonds
- 3. has mass and takes up space
- 4. made up of protons, neutrons and electrons
- 5. element or compound
- 7. a physical change when a gas turns to a liquid
- 9. a chemical reaction silver undergoes
- 10. clumpy mixture
- 11. a compound we drink
- 13. made up of 2 or more elements chemically combined in a fixed ratio
- 16. the thickness of liquids
- 17. able to burn in the presence of oxygen
- 21. property that can be observed without changing the substance
- 22. chemical property of causing harm when ingested
- 23. able to be drawn into wires