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Van der Waals force - Wikipedia, the free encyclopedia (842 words) |
 | The term originally referred to all such forces, and this usage is still sometimes observed, but it is now more commonly used to refer to those forces which arise from the polarization of molecules into dipoles. |
| This phenomenon is the only attractive intermolecular force at large distances present between neutral atoms (e.g., helium), and is the major attractive force between non-polar molecules, such as nitrogen or methane (to name a couple). |
| The London-Van der Waals force is related to the Casimir effect for dielectric media, the former the microscopic description of the latter bulk property. |
| Keesom force - Wikipedia, the free encyclopedia (77 words) |
| It has been suggested that this article or section be merged into Intermolecular force. |
| The Keesom force is an intermolecular force resulting from the angle-averaged dipole-dipole interaction between two atoms or molecules and its potential. |
| The force is named for Dutch physicist Willem Hendrik Keesom. |
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