Unit 3 Crossword

Edit Answers
1234567891011121314151617181920212223
Across
  1. 5. Has a pH of less than 7
  2. 6. Example: A + B → AB
  3. 8. When a base is dissolved in water, it forms _________ ions
  4. 9. Acids turn pH paper this color
  5. 11. When you mix a base and a fat/oil, you form this
  6. 14. When you combine an acid and a base you form a ____ and water
  7. 15. When you combine an acid and a metal, you form a salt and ________ gas
  8. 18. Example: AB → A + B
  9. 19. The substances at the beginning of a chemical reaction
  10. 21. Two ionic compounds exchange ions to form new ionic compounds in a ______ replacement reaction
  11. 22. One element is replaced by another in a ______ replacement reaction
  12. 23. Written to the lower right of an element symbol, this tells you how many of an element is in a compound.
Down
  1. 1. Matter cannot be created or destroyed due to the Law of ___________ of mass.
  2. 2. The number placed in front of a chemical formula that says how many are present in a balanced chemical equation
  3. 3. Has a pH of more than 7
  4. 4. Bases have a ______ taste
  5. 7. The scale that tells how acidic or basic a solution is
  6. 10. Bases turn pH paper this color
  7. 12. The substances present when the chemical reaction is completed
  8. 13. When an acid is dissolved in water, it forms ___________ ions
  9. 16. Example: hydrocarbon + oxygen → carbon dioxide + water
  10. 17. Acids have a ____ taste
  11. 20. When one or more substances change into one or more new substances