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4 Written questions

4 Multiple choice questions

  1. compounds composed of cations and anions
  2. the number of ions of opposite charge that surround each ion in a crystal
  3. the force of attraction that holds metals together; it consists of the attraction of free-floating valence electrons for positively charged metal ions
  4. mixtures composed of two or more elements, at least one of which is a metal

3 True/False questions

  1. electron dot structuresdiagrams that show valence electrons as dots around a chemical symbol


  2. chemical formulaa representation of a substance using symbols for its constituent elements


  3. valence electronsThe electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds.