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5 Written questions

5 Matching questions

  1. electron dot diagram
  2. energy level
  3. atomic number
  4. covalent bond
  5. ion
  1. a a region around the nucleus in which electrons are found
  2. b atom that has lost or gained electrons
  3. c the number of protons in the nucleus of an atom
  4. d formed when atoms share electrons
  5. e includes the symbol for the element and its valence electrons

5 Multiple choice questions

  1. building blocks of matter
  2. force of attraction that holds atoms together
  3. results from the attraction of positive and negative ions
  4. horizontal row on the periodic table
  5. smallest part of an element

5 True/False questions

  1. transition metalshave one valence electron


  2. scientific theorya well tested idea that explains a wide range of observations


  3. polyatomic ionresults from the attraction of positive and negative ions


  4. noble gasDo not react easily with other elements


  5. magnesiumsmallest part of an element


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