Worksheet: Intermolecular Forces

In this worksheet, we will practice describing the origins and strengths of intermolecular forces and explaining their effects on material properties.


Which of the following would not strengthen the intermolecular forces between a pair of molecules?

  • ALarger molecules
  • BHigher pressures
  • CLower temperatures
  • DMore rounded molecules
  • EMore polar bonds


Which of the following is generally weakest?

  • AIntermolecular forces
  • BMetallic bonds
  • CIonic bonds
  • DCovalent bonds


Which of the following is the best description of an intermolecular force?

  • AA repulsive force between molecules
  • BA covalent bond
  • CAn attractive or repulsive force between molecules
  • DAn attractive or repulsive force between ions
  • EAn attractive force between molecules


Poly(ethene) is a popular plastic for making carrier bags. The polymer chains can be made from a variable number of ethene units. For which of the following poly(ethene) molecules would the intermolecular forces be strongest?

  • A
  • B
  • C
  • D


Which of the following molecules exhibits the strongest intermolecular forces?

  • A
  • B
  • C
  • D
  • E


Listed in the table are the boiling points of a range of compounds containing two carbon atoms.

Boiling Point (C)20897810484

Which of the molecules in the table displays the strongest intermolecular forces?

  • AEthanol
  • BEthene
  • CEthanal
  • DEthyne
  • EEthane

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