Covalent and Ionic Bonds
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Covalent and Ionic Bonds

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Questions and Answers

What is the defining characteristic of a covalent bond?

  • Sharing of electrons (correct)
  • Attraction of bonding electrons
  • Exchange of electrons
  • Creation of ions

    • In an ionic bond, how do two atoms deal with their valence level instability?

  • Create ions and attract bonding electrons
  • Have similar electronegativities
  • Share electrons equally
  • Exchange electrons (correct)

    • What type of bond forms when two atoms have different electronegativities?

  • Nonpolar covalent bond
  • Covalent bond
  • Ionic bond (correct)
  • Polar covalent bond

    • How do atoms in a nonpolar covalent bond share electrons?

    <p>Equally</p> Signup and view all the answers

    What analogy is used in the text to explain nonpolar covalent bonds?

    <p>Kids playing tug-of-war</p> Signup and view all the answers

    Which scenario is most likely to result in a polar covalent bond?

    <p>Atoms with very different electronegativities</p> Signup and view all the answers

    What is the role of electronegativity in predicting how atoms will form bonds?

    <p>Helps predict if atoms will share electrons equally</p> Signup and view all the answers

    In a polar covalent bond, which atom will be slightly more negative?

    <p>The more electronegative atom</p> Signup and view all the answers

    How are electrons shared in a nonpolar covalent bond?

    <p>Equally between the two atoms</p> Signup and view all the answers

    What is the key characteristic of an ionic bond?

    <p>Exchange of electrons</p> Signup and view all the answers

    How do partial charges affect the polarity of a molecule?

    <p>They generate opposite poles in the molecule</p> Signup and view all the answers

    What happens to the middle of a rope if one person is stronger than the other?

    <p>It moves towards the stronger person</p> Signup and view all the answers

    What does it mean for a covalent bond to be polar?

    <p>The electrons are shared unequally</p> Signup and view all the answers

    How does the electronegativity of an atom affect its charge in a polar covalent bond?

    <p>It creates partial charges</p> Signup and view all the answers

    What can be said about electron clouds in atoms?

    <p>'Orbitals' are predictions of electron location</p> Signup and view all the answers

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