Across
- 3. the conducting non-metal
- 8. heat energy is taken in during a reaction
- 10. when only one thing is changed in an investigation
- 12. sign of a chemical reaction
- 13. sign of a chemical reaction
- 16. when a more reactive metal takes the place of a less reactive metal in solution
- 17. sign of a chemical reaction
- 19. group 8
- 21. when two solutions form an insoluble solid
- 22. copper, gold and vanadium are what kind of metals?
- 23. metals far apart in the reactivity series produce the ... voltage
- 25. metal + water ==>
- 26. the things that are formed
- 27. copper + oxygen ==>
Down
- 1. group 1
- 2. separates the metals and non-metals
- 4. which metals conduct electricity
- 5. indicates only two metals involved in a compound
- 6. two or more elements chemically joined together
- 7. indicates more than two elements in a compound and one is oxygen
- 9. a biological catalyst
- 11. ... temperature and concentration to make reactions go faster
- 13. silver + nitrogen + oxygen ==>
- 14. hydrogen burns with a ...
- 15. the things that react
- 18. group 7
- 20. metal + water ==>
- 24. one type of atom