Across
- 3. - different substances not chemically joined that can be separated
- 8. nitrate - salt made of sodium hydroxide and nitric acid
- 10. dish - a dish for evaporating solutions
- 11. - number on ph scale which represents strong alkali
- 12. - element with symbol Fe
- 13. - element with atomic number 20
- 15. - number on ph scale which represents strong acid
- 16. - columns on periodic table
Down
- 1. - compound with chemical formula H2O
- 2. - rows on periodic table
- 4. - one type of atom
- 5. - number on ph scale which represents neutral
- 6. metals - group 1 on periodic table
- 7. cylinder - apparatus used to measure liquid
- 9. - two or more different elements chemically joined together
- 14. burner - gas burner used for heating things