The Octet Rule Quiz
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Questions and Answers

Which elements is the octet rule especially applicable to?

  • Noble gases and rare earth metals
  • Carbon, nitrogen, oxygen, and the halogens (correct)
  • Alkali metals and alkaline earth metals
  • Transition metals and lanthanides
  • What is the 18-electron rule primarily applicable to?

  • Halogens
  • Alkali metals
  • Noble gases
  • Transition metals (correct)
  • How are the valence electrons counted in a covalent bond?

  • The electrons shared by the two atoms are counted twice, once for each atom (correct)
  • The electrons are not counted in covalent bonds
  • The electrons are counted only for the central atom
  • The electrons are counted for both atoms separately
  • What is the duplet rule applicable to?

    <p>Hydrogen and helium</p> Signup and view all the answers

    In a Lewis electron dot diagram, how are valence electrons represented?

    <p>As dots around the symbol of the element</p> Signup and view all the answers

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