Chemistry › Section J · Liquids and solids › Topic J.1
Intermolecular forces
The attractions between separate molecules are far weaker than the bonds inside them, yet they decide whether a substance is a gas, a liquid or a solid at room temperature, and why water boils at 100 °C instead of somewhere far below zero.
In this topic
- Inside molecules and between them
- London dispersion forces
- Shape matters too
- Dipole-dipole attractions
- Hydrogen bonding
- Worked example: the group 16 hydrides
- Worked example: ranking boiling points
- Water, ice and DNA
- Common mistakes to avoid
- Key takeaways
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