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5 Written questions

5 Matching questions

  1. scientific theory
  2. covalent bond
  3. transition metals
  4. group/family
  5. atom
  1. a vertical row on the periodic table
  2. b groups 3-12
  3. c smallest part of an element
  4. d formed when atoms share electrons
  5. e a well tested idea that explains a wide range of observations

5 Multiple choice questions

  1. results from the attraction of positive and negative ions
  2. the number of protons in the nucleus of an atom
  3. includes the symbol for the element and its valence electrons
  4. located in the outermost energy level of an atom
  5. made of two or more elements that are chemically combined

5 True/False questions

  1. polyatomic ionions made of more than 1 atom


  2. mixtureatom that has lost or gained electrons


  3. ionatom that has lost or gained electrons


  4. noble gasDo not react easily with other elements


  5. periodatom that has lost or gained electrons