chemistry crosword

123456789101112131415161718192021222324
Across
  1. 3. formula NaHCO3
  2. 5. charge the amount of electrons in a cell
  3. 6. gases least reactive elements
  4. 8. middle of non-metals and metals
  5. 10. rows on periodic table of elements
  6. 12. sometimes Latin, sometimes first two letters
  7. 13. columns on periodic table of elements
  8. 17. two metals or two non-metals
  9. 18. affects the rate of reaction
  10. 21. typically hard, shiny and a solid
  11. 22. most reactive elements
  12. 24. number number on the top left of element tile
Down
  1. 1. mass number at the bottom of element tile
  2. 2. reaction when the reactants change colour, odour or temperature
  3. 4. compound a compound with a metal and non-metal
  4. 7. causes a faster reaction
  5. 9. an organic based catalyst
  6. 10. table the diagram where it displays all the elements
  7. 11. not a good conductor
  8. 14. area can increase the rate of reaction
  9. 15. system a system where all reactants are accounted for
  10. 16. substances that help a reaction proceed faster
  11. 19. reaction when the reactants change state
  12. 20. rate how fast two reactants react
  13. 23. system a system where all the reactants are not accounted for