Potential Energy of a Pair of Neutral Atoms: Difference between revisions
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==Potential Energy of a Pair of Neutral Atoms== | ==Potential Energy of a Pair of Neutral Atoms== | ||
At first glance it seems silly to think that there would be any kind of interaction between two neutral atoms because they are in fact neutral. This means that there are equal amounts of positive and negative charges in the atom therefore resulting in a zero net charge on each. However, this is not the case due to the way the election cloud around each nucleus behaves at certain distances. | |||
===A Mathematical Model=== | ===A Mathematical Model=== | ||
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=Simple Example= | =Simple Example= | ||
There are three cases that describe the potential energy between two neutral atoms. | |||
#1. Far apart: | |||
There is relatively no force on each atom due to the other because the forces of attraction and repulsion of like and unlike charges pretty much cancel out. | |||
#2. Close together: | |||
Polarization distorts the electron cloud in such a way that the two atoms feel an attractive force towards each other. Solid objects are held together by this electric force of attraction. | |||
#3 Much closer: | |||
As the two atoms are pushed closer and closer together they will begin to repel. This is because of the positions of the protons and electrons. | |||
==Connectedness== | ==Connectedness== | ||
Revision as of 13:16, 1 December 2015
by Charlotte Bunch
Potential Energy of a Pair of Neutral Atoms
At first glance it seems silly to think that there would be any kind of interaction between two neutral atoms because they are in fact neutral. This means that there are equal amounts of positive and negative charges in the atom therefore resulting in a zero net charge on each. However, this is not the case due to the way the election cloud around each nucleus behaves at certain distances.
A Mathematical Model
A Computational Model
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Simple Example
There are three cases that describe the potential energy between two neutral atoms.
- 1. Far apart:
There is relatively no force on each atom due to the other because the forces of attraction and repulsion of like and unlike charges pretty much cancel out.
- 2. Close together:
Polarization distorts the electron cloud in such a way that the two atoms feel an attractive force towards each other. Solid objects are held together by this electric force of attraction.
- 3 Much closer:
As the two atoms are pushed closer and closer together they will begin to repel. This is because of the positions of the protons and electrons.
Connectedness
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