Difference between revisions of "Van der Waals force"
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The '''Van der Waals''' force is a [[intermolecular force]] caused by electrostatic attraction. Some [[molecules]] (polar molecules) have a more negative end and a more positive end. This means that a weak electromagnetic force is present between the positive end of one molecule and the negative end of another. This is a Van der Waals force. They are far weaker than intramolecular bonding such as ionic, polar or covalent bonding. | The '''Van der Waals''' force is a [[intermolecular force]] caused by electrostatic attraction. Some [[molecules]] (polar molecules) have a more negative end and a more positive end. This means that a weak electromagnetic force is present between the positive end of one molecule and the negative end of another. This is a Van der Waals force. They are far weaker than intramolecular bonding such as ionic, polar or covalent bonding. | ||
Non-polar substances also have very weak Van der Waals forces, called the [[London dispersion force]]. | Non-polar substances also have very weak Van der Waals forces, called the [[London dispersion force]]. | ||
Revision as of 18:27, January 3, 2009
The Van der Waals force is a intermolecular force caused by electrostatic attraction. Some molecules (polar molecules) have a more negative end and a more positive end. This means that a weak electromagnetic force is present between the positive end of one molecule and the negative end of another. This is a Van der Waals force. They are far weaker than intramolecular bonding such as ionic, polar or covalent bonding. Non-polar substances also have very weak Van der Waals forces, called the London dispersion force.