Strength of Interactions

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Anika Chakrabarti 1A
Posts: 102
Joined: Sat Aug 24, 2019 12:17 am

Strength of Interactions

Postby Anika Chakrabarti 1A » Sun Nov 10, 2019 10:28 am

What causes certain interactions to form liquids or solids?

JohnWalkiewicz2J
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Joined: Thu Jul 11, 2019 12:17 am
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Re: Strength of Interactions

Postby JohnWalkiewicz2J » Sun Nov 10, 2019 10:53 am

One factor is the Polarizability of electrons in certain compounds, which is when eletrons in an atom or molecule cause e- distortion in a nearby atom or molecule. As the molar mass of a molecule increases, the strength of dispersion also increases, which is why molecules like I2 are solid at room temp while F2 and Cl2 are gasses. Hope this helps!

Joowon Seo 3A
Posts: 100
Joined: Sat Aug 24, 2019 12:17 am

Re: Strength of Interactions

Postby Joowon Seo 3A » Sun Nov 10, 2019 12:48 pm

It is dependent on the polarizability of the two molecules (whether it has more e-). The distance of the bonds also matters, but it is mainly dependent on polarizability.

Wilson 2E
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Joined: Sat Aug 17, 2019 12:18 am

Re: Strength of Interactions

Postby Wilson 2E » Sun Nov 10, 2019 1:17 pm

The stronger the interactions between molecules, the more energy/heat required to separate them from each other, which raises the boiling/melting points of the molecule.


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