Lesson 4: Compound Chemistry

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Across
  1. 2. substances that you start with in a chemical reaction
  2. 5. substances that are left after a chemical reaction
  3. 6. tastes sour, conducts electricity, ruins metal, and donates hydrogen ions
  4. 9. stands for potential of hydrogen
  5. 12. valuable crystals
  6. 13. type of reaction when two or more substances interact and change into different substances
Down
  1. 1. type of reaction that releases energy
  2. 3. a base that works against an acid
  3. 4. type of reaction that absorbs energy
  4. 7. solid that has regular, repeating arrangement of atoms and form geometric shapes
  5. 8. type of reaction that involves changing states of matter
  6. 10. molecules arranged in long chains of repeating small molecules
  7. 11. tastes chalky or bitter, breaks down fats, receives hydrogen ions