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