Across
- 3. a poor conductor of heat and electricity
- 4. a substance that allows heat and electricity to pass through
- 6. separating a solid from a liquid
- 8. another name for a positive ion
- 12. way to separate a mixture using a solvent and special paper
- 14. the liquid in which the solid dissolve, to make a solution
- 18. the process in which particles mix by colliding randomly with each other
- 19. separating a liquid by boiling it then condensing it
- 20. the patterns of repeating that shows up when elements are arranged in order of proton number
- 21. the family of organic compounds with the OH functional
- 23. a special term used for the corrosion of iron
- 24. a metal oxide or hydroxide
- 28. the process in which crystals form
- 29. another name for a negative ion
- 30. a gradual change
Down
- 1. a substance in which two or more elements are chemically combined
- 2. the process of removing impurities from a chemical substance
- 5. the solid obtained when a solid is separated by filtering
- 7. the liquid obtained from filtration
- 9. a term used for synthetic polymers
- 10. firm and stable in shape
- 11. the mass of a substance per unit volume
- 12. shows the elements in order of increasing proton number
- 13. small molecules that join together to form polymer
- 15. where a liquid turns into a gas at any temperature
- 16. there is only one substance in it
- 17. large molecules built up from many smaller molecules called monomers
- 22. reacts with substance it comes into contact with
- 25. to remove a metal from its ore
- 26. the temperature in which a solid substance melts.
- 27. how readily a substance reacts