Chemistry Revision

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