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5 Written questions

5 Matching questions

  1. adhesion
  2. solution
  3. nucleus
  4. atom
  5. ion
  1. a an attraction between molecules of different substances
  2. b center of the atom containing protons and neutrons
  3. c basic unit of matter
  4. d positively or negatively charged atom
  5. e mixture where all components are even distributed

5 Multiple choice questions

  1. solution with a higher concentration of hydrogen ions than water
  2. measures the concentration of hydrogen ions in a solution
  3. the substance in which the solute is dissolved
  4. a weak acid or weak base that prevents sudden changes in pH
  5. two or more elements or compounds that are physically mixed but not chemically combined

5 True/False questions

  1. neutronnegatively charged particle circulating around the nucleus

          

  2. cohesionan attraction between molecules of the same substance

          

  3. solutemixture where all components are even distributed

          

  4. van der waals forcean attraction between molecules of different substances

          

  5. elementpure substance consisting entirely of one type of atom