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5 Written questions

5 Matching questions

  1. atom
  2. polyatomic ion
  3. scientific theory
  4. group/family
  5. noble gas
  1. a a well tested idea that explains a wide range of observations
  2. b Do not react easily with other elements
  3. c vertical row on the periodic table
  4. d smallest part of an element
  5. e ions made of more than 1 atom

5 Multiple choice questions

  1. two or more substances not chemically combined
  2. a region around the nucleus in which electrons are found
  3. groups 3-12
  4. made of two or more elements that are chemically combined
  5. building blocks of matter

5 True/False questions

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

          

  2. chemical bondresults from the attraction of positive and negative ions

          

  3. magnesiumsmallest part of an element

          

  4. atomic numbertwo or more substances not chemically combined

          

  5. alkali metalhave one valence electron

          

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