Science

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Across
  1. 4. used to detect the heat of something
  2. 5. the separation of dissolved substances by running a solvent along absorbent paper
  3. 6. how many groups on the periodic table
  4. 8. were are non-metals found on the period table
  5. 9. group 1 on the periodic table
  6. 10. the attraction of + metal ions
  7. 12. Br2+2KCl=
  8. 16. why mendeleev left gaps on the periodic table
  9. 20. a cell that defends against pathogens
Down
  1. 1. fluornie
  2. 2. had the first ideas about atoms
  3. 3. can detect illegal drugs
  4. 7. number of protons
  5. 11. the smallest part of an element that can still be recognised as that element
  6. 13. separation of a liquid from a mixture
  7. 14. produced by a type of white blood cell that attaches to pathogens
  8. 15. the boiling point of ethanol
  9. 17. a type of shape memory alloy made from nickel and titanium
  10. 18. a substance that dissolves to make a solution
  11. 19. a substance made up of only one type of atom