Intermolecular Forces and Energy Consumption
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Questions and Answers

What type of forces are considered the weakest IMF?

  • Hydrogen bonds
  • Covalent bonds
  • London forces (correct)
  • Ionic bonds
  • Which type of IMF requires the most energy to overcome?

  • Dipole-dipole forces
  • Hydrogen bonds
  • Ionic bonds (correct)
  • London forces
  • As the size of the IMF increases, what happens to the energy required to overcome them?

  • Stays the same
  • Increases (correct)
  • Decreases
  • Becomes zero
  • Which type of bond is NOT an example of an IMF?

    <p>Covalent bonds</p> Signup and view all the answers

    In terms of strength, how do London forces compare to hydrogen bonds?

    <p>London forces are weaker than hydrogen bonds</p> Signup and view all the answers

    What is the main cause of London forces in non-polar compounds?

    <p>Transient dipoles</p> Signup and view all the answers

    How do the size of London forces change with increasing mass of atoms/molecules?

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

    What type of bond is formed when two atoms share 6 electrons?

    <p>Triple covalent bond</p> Signup and view all the answers

    Which type of forces are more permanent compared to London forces?

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

    In an ionic compound, what is the role of cations?

    <p>Lose electrons</p> Signup and view all the answers

    What is the other name for London forces?

    <p>Van der Waal forces</p> Signup and view all the answers

    Which type of bond occurs between non-metals?

    <p>Covalent bond</p> Signup and view all the answers

    In which type of compounds can London forces be found?

    <p>Non-polar compounds</p> Signup and view all the answers

    What is the result of a non-polar covalent bond?

    <p>Identical electronegativities between atoms</p> Signup and view all the answers

    Which element has acquired a slightly positive charge in an H-Cl molecule?

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

    What happens when two atoms have a significant difference in electronegativity?

    <p>Development of polar covalent bonds</p> Signup and view all the answers

    Which type of substances typically have higher melting points based on the text?

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

    What category does iron belong to based on the text?

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

    Which type of compounds are described as salts in the text?

    <p>Ionic compounds</p> Signup and view all the answers

    What is the term used for substances like water in the text?

    <p>Molecular substances</p> Signup and view all the answers

    Which substance is specifically mentioned as having a much higher melting point than water?

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

    Which type of bonds have stronger bonds than IMF’s?

    <p>Covalent bonds</p> Signup and view all the answers

    How do the melting and boiling points of covalent network solids compare to those of IMF’s?

    <p>They are higher</p> Signup and view all the answers

    In which type of substance are melting and boiling points determined by the strength of IMF’s?

    <p>Simple molecular substances</p> Signup and view all the answers

    What effect does increasing the size of IMF’s have on the melting and boiling points?

    <p>Increases them</p> Signup and view all the answers

    Which type of bonds contribute to the properties of covalent network solids, as discussed in the text?

    <p>Covalent bonds</p> Signup and view all the answers

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