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Chemistry
Grade 11: Intermolecular forces
| Term | Definition |
|---|---|
| Mutually induced dipole forces or London forces | Forces between non-polar molecules |
| Dipole-dipole forces | Forces between two polar molecules |
| Dipole-induced dipole forces | Forces between polar and non-polar molecules |
| Hydrogen bonding | Forces between molecules in which hydrogen is covalently bonded to nitrogen, oxygen, or fluorine – a special case of dipole-dipole forces. |
| Ion-dipole forces | Forces between ions and polar molecules |
| Boiling point | The temperature at which the vapour pressure of a substance equals atmospheric pressure. |
| Melting point | The temperature at which the solid and liquid phases of a substance are at equilibrium. |
| Vapour pressure | The pressure exerted by a vapour at equilibrium with its liquid in a closed system. |
| Solubility | The property of a solid, liquid, or gaseous chemical substance (solute) to dissolve in a solid, liquid, or gaseous solvent to form a homogeneous solution. |