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Chemical Bonding in the Nitrogen Molecule
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Chemical Bonding in the Nitrogen Molecule

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Questions and Answers

Which hydride exhibits virtually non-polar bonding?

  • NH3
  • HCl
  • PH3 (correct)
  • H2O
  • What type of bonding occurs in H2O and NH3?

  • Ionic bonding
  • Covalent bonding
  • Hydrogen bonding (correct)
  • Metallic bonding
  • Which hydride exhibits a pyramidal shape?

  • NH3
  • H2O
  • PH3 (correct)
  • HCl
  • What property is affected by intermolecular hydrogen bonding in H2O and NH3?

    <p>Higher boiling point</p> Signup and view all the answers

    Why is B–Cl bond considered polar?

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

    Which hydride shows polar covalent bonding?

    <p>NH3</p> Signup and view all the answers

    What type of atoms does a Hydrogen atom need to be bonded to in order to form a hydrogen bond?

    <p>Nitrogen, Oxygen, or Fluorine</p> Signup and view all the answers

    Which force is considered the strongest form of intermolecular force?

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

    Why does water have a high boiling point?

    <p>Due to the need to break strong hydrogen bonds</p> Signup and view all the answers

    What is the definition of electronegativity?

    <p>The relative attraction of an atom for shared electrons in a covalent bond</p> Signup and view all the answers

    What causes the difference in bond angle between ammonia (NH3) and silane (SiH4)?

    <p>Presence of lone pairs of electrons</p> Signup and view all the answers

    In which two small molecules do each have four electron pairs in the valence shell of the central atom?

    <p>Ammonia (NH3) and Silane (SiH4)</p> Signup and view all the answers

    What causes hydrogen bonds to form between molecules with Hydrogen and Nitrogen, Oxygen, or Fluorine?

    <p>The partial positive charge on Hydrogen and electronegative atoms</p> Signup and view all the answers

    What determines the boiling point of a liquid with hydrogen bonding?

    <p>The amount of energy needed to break hydrogen bonds</p> Signup and view all the answers

    Why are hydrogen bonds considered dipole-dipole attractions?

    <p>Because they involve partial positive and negative charges</p> Signup and view all the answers

    How do Hydrogen bonds act as bridges between molecules?

    <p>By attracting electronegative atoms in different molecules</p> Signup and view all the answers

    What makes Hydrogen bonding different from other types of intermolecular forces?

    <p>The large electronegativity difference between Hydrogen and other atoms</p> Signup and view all the answers

    Why does a molecule need to have a large electronegativity difference for hydrogen bonding to occur?

    <p>To induce a partial positive charge on Hydrogen for attraction</p> Signup and view all the answers

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