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5 Written questions

5 Matching questions

  1. energy level
  2. period
  3. valence electrons
  4. compound
  5. magnesium
  1. a alkaline earth metal
  2. b located in the outermost energy level of an atom
  3. c horizontal row on the periodic table
  4. d a region around the nucleus in which electrons are found
  5. e made of two or more elements that are chemically combined

5 Multiple choice questions

  1. force of attraction that holds atoms together
  2. a well tested idea that explains a wide range of observations
  3. groups 3-12
  4. includes the symbol for the element and its valence electrons
  5. atom that has lost or gained electrons

5 True/False questions

  1. covalent bondresults from the attraction of positive and negative ions


  2. polyatomic ionions made of more than 1 atom


  3. group/familymade of two or more elements that are chemically combined


  4. alkali metalhave one valence electron


  5. atomsmallest part of an element