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5 Written questions

5 Matching questions

  1. polyatomic ion
  2. period
  3. compound
  4. scientific theory
  5. magnesium
  1. a made of two or more elements that are chemically combined
  2. b horizontal row on the periodic table
  3. c a well tested idea that explains a wide range of observations
  4. d alkaline earth metal
  5. e ions made of more than 1 atom

5 Multiple choice questions

  1. building blocks of matter
  2. results from the attraction of positive and negative ions
  3. a region around the nucleus in which electrons are found
  4. vertical row on the periodic table
  5. located in the outermost energy level of an atom

5 True/False questions

  1. ionatom that has lost or gained electrons


  2. atomic numberthe number of protons in the nucleus of an atom


  3. electron dot diagramincludes the symbol for the element and its valence electrons


  4. atomatom that has lost or gained electrons


  5. mixturesmallest part of an element


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