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Intermolecular forces, often abbreviated to IMF, are the attractive and repulsive forces that arise between the molecules of a substance. These forces mediate the interactions between individual molecules of a substance.
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Jan 30, 2023 · Intermolecular forces are forces of attraction or repulsion which act between neighboring particles (atoms, molecules or ions). They are weak compared to the intramolecular forces, which keep a molecule together (e.g., covalent and ionic bonding).
Jan 25, 2023 · Intermolecular forces are attractive and repulsive forces between atoms, groups of atoms, or ions in separate molecules. The three main types of intermolecular forces are hydrogen bonding (dipole-dipole forces), ion-dipole forces (and ion-induced dipole forces), and Van der Waals forces (Debye force, London dispersion force, Keesom force).
The three types of intermolecular forces in A-level chemistry are: London dispersion forces: These are the weakest type of intermolecular force and exist between all molecules, regardless of their polarity. London dispersion forces arise due to temporary dipoles that are formed when electrons in a molecule are unevenly distributed.
Intermolecular forces, also known as intermolecular interactions, are the electrostatic forces of attraction between molecules in a compound. The intermolecular forces tend to attract the molecules together, bring them closer, and make the compound stable.
Van der Waals forces, also known as van der Waals bonds or van der Waals interaction, are weak intermolecular interactions observed in condensed phases like solid and liquid. They are responsible for the bulk properties of substances, like the boiling and melting points.
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Revision notes on 1.5.3 Types of Forces Between Molecules for the AQA A Level Chemistry syllabus, written by the Chemistry experts at Save My Exams.
