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5 Written questions

5 Matching questions

  1. active site
  2. polar molecule
  3. solute
  4. covalent bond
  5. isotope
  1. a molecule with oppositely charged regions
  2. b substance dissolved in a solvent.
  3. c specific place where a substrate binds on an enzyme.
  4. d two or more atoms of the same element having different numbers of neutrons.
  5. e type of chemical bond formed when atoms share electrons.

5 Multiple choice questions

  1. large molecule formed from smaller repeating units or identical, or nearly identical, compounds linked by covalent bonds.
  2. substance formed by a chemical reaction; located on the right side of the arrow in a chemical equation.
  3. electrical attraction between two oppositely charged atoms or groups of atoms.
  4. measure of the concentration of hydrogen ions (H+) in a solution.
  5. particle without a charge in an atom's nucleus

5 True/False questions

  1. atombuilding block of matter; contains subatomic particles—neutrons, protons, and electrons


  2. proteinorganic compound made of amino acids joined by peptide bonds; primary building block of organisms.


  3. solutionhomogeneous mixture formed when a substance (the solute) is dissolved in another substance (the solvent).


  4. compoundpure substance with unique properties; formed when two or more different elements combine.


  5. mixturecompound whose atoms are held together by covalent bonds


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