Across
- 2. simplest form of substance
- 6. use to make fireworks
- 9. strong and rust proof type of metal
- 10. discover by Glenn Seaborg in 1974
- 13. consists two or more elements or compounds mixed physically
- 14. shiny metal
Down
- 1. method to separate compounds
- 3. particle with negative charge
- 4. identify any harmful food colouring
- 5. used to separate a liquid and insoluble solid mixture
- 7. chemical name for gold
- 8. consists of two or more elements combined chemically
- 11. neutral particles made up of two or more atoms
- 12. consists of proton, neutrons and electrons