Across
- 3. equipment used to measure mass
- 4. a highly reactive metal
- 5. gaseous element with the symbol "O"
- 6. a toxic green gas
- 9. metal with the symbol "Cu"
- 10. chromatography and filtering are examples of this
- 12. type of burner used to make a flame
Down
- 1. a charged atom or group of atoms
- 2. equipment to measure temperature
- 7. how fast a reaction progresses
- 8. type of flask used for filtering
- 11. metal extracted from bauxite ore