Across
- 2. Different substances together that are not chemically joined
- 4. The liquid that dissolves a substance
- 6. Forming solid crystals from a solution
- 8. The centre of an atom containing protons and neutrons
- 9. The substance that dissolves in a liquid
- 10. A shortcut way of showing atoms using symbols and numbers
- 12. A method used to separate liquids using different boiling points
- 14. A substance made from only one type of atom
- 16. A method used to separate an insoluble solid from a liquid
- 17. Making sure there are equal atoms on both sides of an equation
- 18. Tiny negatively charged particles that move around the nucleus
- 19. A mixture formed when a solute dissolves in a solvent
- 20. The smallest part of an element that can still be identified
- 22. Positively charged particles found in the nucleus
Down
- 1. An atom with equal protons and electrons is this
- 3. A substance made from two or more different elements chemically joined
- 5. A substance that does not dissolve in a liquid
- 7. A small number showing how many atoms are in a formula
- 11. The number of protons plus neutrons in an atom
- 13. Small particles in the nucleus with no charge
- 15. A method where liquid turns into gas leaving solids behind
- 21. A particle with a positive or negative charge