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5 Written questions

5 Matching questions

  1. orbital
  2. energy level
  3. cation
  4. molecular formula
  5. covalent bond
  1. a positively charged ion
  2. b different states of potential energy for electrons in an atom
  3. c further abbreviated formula
  4. d three-dimensional space where an electron is found 90% of the time
  5. e sharing of a pair of valence electrons by two atoms

5 Multiple choice questions

  1. sum of protons plus neutrons in nucleus
  2. charged atom
  3. sharing two pairs of valence electrons
  4. energy that matter stores because of its position or location
  5. number of protons

5 True/False questions

  1. valencebonding capacity, equals number of unpaired electrons in the atom's outermost shell


  2. compoundsubstance consisting of two or more elements combined in a fixed ratio


  3. nonpolar covalent bondone atom is more electronegative than another


  4. valence electronouter electrons


  5. atompositively charged ion