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5 Written Questions

5 Matching Questions

  1. covalent bond
  2. compound
  3. base
  4. isotope
  5. neutron
  1. a forms when electrons are shared between atoms
  2. b neutral particle of an atom
  3. c atoms of the same element but with a different number of neutron
  4. d substance formed by the chemical comination of two or more compounds in definite proportion
  5. e solution witha lower concentration of hydrogen ions than water

5 Multiple Choice Questions

  1. force of attraction between large molecules
  2. solution with a higher concentration of hydrogen ions than water
  3. a weak acid or weak base that prevents sudden changes in pH
  4. Formed when one or more electrons are transferred from one atom to another
  5. positively or negatively charged atom

5 True/False Questions

  1. electronneutral particle of an atom


  2. solutethe substance that is dissolved


  3. elementthe substance in which the solute is dissolved


  4. solutionmixture where all components are even distributed


  5. pH scalesmallest unit of a compound


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