Chemistry Year 8 Puzzle
Across
- 3. The process used to separate an insoluble solid from a liquid.
- 6. A combination of substances that are not chemically bonded together.
- 8. A substance with a pH below 7.
- 10. The substance that dissolves in a solvent.
- 12. A substance with a pH above 7.
- 15. A substance formed when two or more elements chemically bond.
- 17. A neutral particle found in the nucleus of an atom.
- 19. The process of forming crystals from a solution to obtain a dissolved solid.
- 20. The element with the chemical symbol Mg.
Down
- 1. A mixture in which a solute is dissolved evenly in a solvent.
- 2. A substance that changes colour to show whether a solution is acidic or alkaline.
- 4. The element with the chemical symbol Na.
- 5. A positively charged particle found in the nucleus.
- 7. The process of changing a liquid into a gas at the surface.
- 9. A chemical change in which new substances are formed.
- 11. A pure substance consisting of only one type of atom.
- 13. The smallest particle of an element that retains its chemical properties.
- 14. The liquid that dissolves a solute to form a solution.
- 16. A gas that relights a glowing splint.
- 18. A negatively charged particle found outside the nucleus