CH. 2 Vocab

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Across
  1. 2. Nonpolar molecule that include fats, oils, and cholesterol.
  2. 3. Catalyst for chemical reactions in living things.
  3. 5. A large molecule made of many monomers bonded together.
  4. 7. Substance that is changed in a chemical reaction.
  5. 11. Substance made of different atoms bonded together.
  6. 13. A single subunit in a complete molecule.
  7. 14. An atom that has gained or lost an electron.
  8. 17. PH of 1-6, compound that releases a proton (H+) when it dissolves in water.
  9. 18. Bond that forms through the electrical force between two oppositely charged ions.
  10. 19. PH 8-14, compound that remove protons (H+) from a solution
  11. 20. The attraction among molecules of a substance.
  12. 21. Substance that decreases that activation energy needed to start a chemical reaction.
  13. 24. _______ energy is the amount of energy that will break a bond between two atoms.
Down
  1. 1. Substance that is present in greater amount and dissolves that other substance.
  2. 4. One particular type of atom.
  3. 5. A polymer made of monomers called Amino Acids.
  4. 6. Sugars (Glucose) and starches: Composed of carbon, hydrogen, and oxygen.
  5. 8. The attractions among molecules of a different substance.
  6. 9. Bond that forms when atoms share a pair of electrons.
  7. 10. A mixture of substance that is the same through-out.
  8. 12. Substance made by a chemical reaction.
  9. 15. _______ Acids are polymers made up of monomers called nucleotides.
  10. 16. Two or more atoms held together by covalent bonds.
  11. 22. Smallest basic unit of matter.
  12. 23. The substance that dissolves in a solute.