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The Chemistry of Life Test

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5 Written Questions

5 Matching Questions

  1. Solvent
  2. Compound
  3. Mass Number
  4. Atomic Number
  5. Lipid
  1. a What dissolves the solute - usually water
  2. b The number of protons plus the number of neutrons.
  3. c A substance made of the joined atoms of two or more different elements.
  4. d The number of protons in the nucleus of an element.
  5. e Nonpolar molecules that are not solube in water ( can dissolve )

5 Multiple Choice Questions

  1. The substance on which an enzyme acts during a chemical reaction.
  2. Organic compounds made of carbon, hydrogen, and oxygen atoms.
  3. A mixture in which one or more substances is evenly distributed in another substance
  4. Substances that reduce the activation energy of a chemical reaction
  5. Substances made up of only one kind of atom

5 True/False Questions

  1. Activation EnergyThe energy needed to start a chemical reaction

          

  2. Ionic BondAn element that has gained or lost one or more electrons.

          

  3. Convalent BondBonds formed when atoms transfer electrons

          

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

          

  5. SoluteA mixture in which one or more substances is evenly distributed in another substance

          

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