Across
- 1. When molecules stick to a surface.
- 6. Reaction of an acid with a base to form salt and water.
- 7. Solution that conducts electricity.
- 11. Two or more substances combine to form one.
- 12. Product formed in acid-base reactions.
- 14. The gradual destruction of metals by chemical reactions.
- 15. The solid formed in a precipitation reaction.
- 17. Made from non-metals sharing electrons.
- 18. A more reactive element replaces a less reactive one.
- 19. Biological catalyst that speeds up reactions.
- 20. A substance reacts with oxygen and releases heat.
- 21. Used to show pH, like litmus or universal.
- 23. Conductor through which electricity enters or leaves.
- 24. Substances that donate hydrogen ions and have a low pH.
Down
- 2. A compound breaks down into simpler substances.
- 3. Using electricity to break compounds apart.
- 4. Substances that accept hydrogen ions and have a high pH.
- 5. Negative electrode in electrolysis.
- 8. Releases heat energy.
- 9. A base that dissolves in water.
- 10. Absorbs heat energy.
- 13. compound Formed when metals and non-metals transfer electrons.
- 15. Reaction where an insoluble solid forms in solution.
- 16. Positive electrode in electrolysis.
- 22. Speeds up a reaction without being used up.