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5 Written Questions

5 Matching Questions

  1. Element
  2. Lipid
  3. Convalent Bond
  4. Compound
  5. Substrate
  1. a Forms when 2 or more atoms share electrons to form a molecule
  2. b The substance on which an enzyme acts during a chemical reaction.
  3. c A substance made of the joined atoms of two or more different elements.
  4. d Substances made up of only one kind of atom
  5. e Nonpolar molecules that are not solube in water ( can dissolve )

5 Multiple Choice Questions

  1. Compound that Increases the concentration of hydrogen ions (h+) in solution
  2. The attraction between substances of the same kind.
  3. What dissolves the solute - usually water
  4. Compound that Reduces the concentration of hydrogen ions (increases (OH-))
  5. The smallest unit of matter that can not be broken down by chemical means.

5 True/False Questions

  1. Activation EnergySite on an enzyme that attaches to a substrate

          

  2. MoleculeA group of atoms held together by convalent bonds

          

  3. CatalystCompound that Reduces the concentration of hydrogen ions (increases (OH-))

          

  4. Surface TensionThe attraction between substances of the same kind.

          

  5. EnzymeSubstances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )

          

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