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5 Written Questions

5 Matching Questions

  1. Base
  2. Protein
  3. Atomic Number
  4. Atom
  5. Nucleic Acid
  1. a Compound that Reduces the concentration of hydrogen ions (increases (OH-))
  2. b Large complex compounds that contain carbon, hydrogen, oxygen, and nitrogen
  3. c The number of protons in the nucleus of an element.
  4. d The smallest unit of matter that can not be broken down by chemical means.
  5. e A long chain of smaller molecules called nucleotides

5 Multiple Choice Questions

  1. Substance that is dissolved
  2. Forms when 2 or more atoms share electrons to form a molecule
  3. An element that has gained or lost one or more electrons.
  4. The substance on which an enzyme acts during a chemical reaction.
  5. The attraction between substances of the same kind.

5 True/False Questions

  1. AcidCompound that Increases the concentration of hydrogen ions (h+) in solution


  2. Active SiteAn attraction between different substances (why things get wet)


  3. EnzymeSubstances made up of only one kind of atom


  4. SolventSubstance that is dissolved


  5. Surface TensionCaused by the attraction between water molecules; prevents the surface of water from easily breaking.


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