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5 Written questions

5 Matching questions

  1. molecule
  2. suspension
  3. compound
  4. mass number
  5. surface tension
  1. a number of protons and neutrons in the nucleus of an atom
  2. b substance made up of two or more elements chemically combined
  3. c like an elastic net around the water that holds the molecules together
  4. d cloudy mixture of two or more substances that settle on standings
  5. e smallest part of a substance that has all the properties of the substance

5 Multiple choice questions

  1. able to dissolve
  2. number written to the lower right of a chemical symbol
  3. way of writing the name of a compound using chemical symbols
  4. amount of water an object replaces
  5. substance in which a solute dissolves

5 True/False questions

  1. L shellcan hold up to 2 electrons


  2. atompositively charged particle


  3. soluteable to dissolve


  4. mixturesubstance that is dissolved in a solvent


  5. atomic numbertotal mass of the protons and neutrons in an atom, measured in atomic mass units