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5 Written questions

5 Matching questions

  1. acid
  2. nucleus
  3. base
  4. solution
  5. adhesion
  1. a an attraction between molecules of different substances
  2. b solution witha lower concentration of hydrogen ions than water
  3. c mixture where all components are even distributed
  4. d solution with a higher concentration of hydrogen ions than water
  5. e center of the atom containing protons and neutrons

5 Multiple choice questions

  1. smallest unit of a compound
  2. measures the concentration of hydrogen ions in a solution
  3. two or more elements or compounds that are physically mixed but not chemically combined
  4. positively or negatively charged atom
  5. the substance in which the solute is dissolved

5 True/False questions

  1. ionic bondFormed when one or more electrons are transferred from one atom to another

          

  2. buffersolution witha lower concentration of hydrogen ions than water

          

  3. cohesionan attraction between molecules of the same substance

          

  4. suspensionan attraction between molecules of the same substance

          

  5. compoundan attraction between molecules of the same substance

          

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