Chemistry

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Across
  1. 1. used to store energy
  2. 4. prevents sudden changes in pH
  3. 9. gives strength to the plant cell
  4. 10. atoms joined together by covalent bonds
  5. 11. speed up the chemical reaction in a cell
  6. 12. a homogeneous mixture
  7. 16. have a neutral charge
  8. 18. an unevenly mixed mixture
  9. 20. only found in animals
  10. 22. compound that forms H+ ions is a solution
  11. 23. chemical combinations of 2+ elements
  12. 25. the way plants store extra glucose
Down
  1. 2. ranges from 0 to 14
  2. 3. substance that dissolves
  3. 4. solutions with a pH above 7
  4. 5. the substance the solute dissolves in
  5. 6. pure substance of a same type of atom
  6. 7. starch, glycogen, cellulose
  7. 8. a very evenly mixed mixture
  8. 13. DNA & RNA are these
  9. 14. building blocks of nucleic acids
  10. 15. have a positive charge
  11. 17. have a negative charge
  12. 19. solutions with a pH below 7
  13. 21. basic unit of matter
  14. 24. compound that forms OH- ions is a solution