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5 Written questions

5 Matching questions

  1. Active Site
  2. Ionic Bond
  3. Protein
  4. Atomic Number
  5. Molecule
  1. a Bonds formed when atoms transfer electrons
  2. b The number of protons in the nucleus of an element.
  3. c A group of atoms held together by convalent bonds
  4. d Large complex compounds that contain carbon, hydrogen, oxygen, and nitrogen
  5. e Site on an enzyme that attaches to a substrate

5 Multiple choice questions

  1. The number of protons plus the number of neutrons.
  2. Substances that increase the speed of chemical reactions ( usually a protein, Lowers activation energy )
  3. A substance made of the joined atoms of two or more different elements.
  4. Compound that Reduces the concentration of hydrogen ions (increases (OH-))
  5. A long chain of smaller molecules called nucleotides

5 True/False questions

  1. Convalent BondBonds formed when atoms transfer electrons

          

  2. ElementWhat dissolves the solute - usually water

          

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

          

  4. SolutionSubstance that is dissolved

          

  5. SoluteSubstance that is dissolved