Chemistry Crossword
Across
- 3. combination of pure substances
- 8. contains neutrons,protons and electrons.
- 9. change from liquid state to a gas
- 11. cloudy mixture in which tiny particles of one substance are held within another and cannot be separated out of the other substance
- 12. describes a particular substance
- 14. substance that can be pounded or rolled into sheets
- 17. mixture substances that make up the mixture are visible
- 18. warning symbols on hazardous material
- 19. slow chemical change that happens when oxygen reacts with the metal
- 20. ability to do work
- 22. amount of mass in a given volume of a substance
- 24. has lost or gained electrons
Down
- 1. anything that has mass and occupies space
- 2. horizontal row of elements
- 4. resists the flow of electricity
- 5. chemical reaction that releases energy
- 6. cloudy mixture
- 7. element that has both non and metallic properties
- 9. chemical reaction that absorbs energy
- 10. substance made up of only one atom.
- 13. device for producing electricity from chemical or solar energy
- 15. negatively charged that orbits the nucleus.
- 16. the most non-reactive elements
- 21. vertical column of elements
- 23. poisonous