Across
- 4. Sour chemical with a pH less then 7
- 6. A scale that shows how acidic or basic something is
- 8. When a new substance is formed
- 12. A reaction where the product is bigger then the reactant
- 13. A reaction where the product is smaller
- 14. A reaction where an acid and base cancel out
- 15. An electron in the outer shell of an atom
- 16. A reaction where two elements changed
- 21. Bitter chemical with a pH bigger then 7
Down
- 1. A compound made from a metal and a non metal
- 2. A number before a chemical symbol
- 3. A chemical reaction using words
- 5. What you start with in a chemical reaction
- 7. A chemical reaction showing quantity
- 9. A compound made from two non metals
- 10. An atom that wants electrons
- 11. A reaction where one element is changed
- 17. A chemical that changes colour in an acid or base
- 18. What you end up with after a chemical reaction
- 19. A reaction with oxygen producing CO2
- 20. An atom that wants to loose electrons