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5 Written questions

5 Matching questions

  1. compound
  2. isotope
  3. van der waals force
  4. ion
  5. solute
  1. a positively or negatively charged atom
  2. b substance formed by the chemical comination of two or more compounds in definite proportion
  3. c the substance that is dissolved
  4. d force of attraction between large molecules
  5. e atoms of the same element but with a different number of neutron

5 Multiple choice questions

  1. center of the atom containing protons and neutrons
  2. an attraction between molecules of different substances
  3. negatively charged particle circulating around the nucleus
  4. positively charged particle of an atom
  5. mixtures of water and nondissolved materials

5 True/False questions

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


  2. mixturetwo or more elements or compounds that are physically mixed but not chemically combined


  3. solventthe substance in which the solute is dissolved


  4. moleculethe substance that is dissolved


  5. atompositively or negatively charged atom