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