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