Across
- 2. An alkali we use to brush our teeth
- 4. a state of matter that can flow
- 7. liquid with the chemical formula H2O
- 10. table where the elements are found
- 11. substance made up of the same type of atom
- 12. used to measure pH
- 13. a gas we breathe in
Down
- 1. When something changes from a liquid to gas
- 3. technique used to separate a solid from liquid
- 5. a common metal with the symbol Fe
- 6. equipment used to hold filter paper
- 8. Substance with a pH of less than 7
- 9. a state of matter that does not move