States and Intermolecular forces

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JamieVu_2C
Posts: 108
Joined: Thu Jul 25, 2019 12:16 am

States and Intermolecular forces

Postby JamieVu_2C » Tue Nov 19, 2019 1:23 am

How do the states of the molecules (solid, liquid, gas) relate to intermolecular forces? Do solids have stronger intermolecular forces?

Dakota Walker 1L
Posts: 58
Joined: Wed Sep 18, 2019 12:17 am

Re: States and Intermolecular forces

Postby Dakota Walker 1L » Tue Nov 19, 2019 1:28 am

Yes solids have the strongest intermolecular forces because molecules are interacting so much that they are stuck together in solid form instead of bouncing off each other and moving far away in gas form.

JinwooLee_1F
Posts: 47
Joined: Sat Aug 17, 2019 12:15 am

Re: States and Intermolecular forces

Postby JinwooLee_1F » Tue Nov 19, 2019 2:07 am

It isn't really the phases, but the boiling points and the melting points. The general rule is that if intermolecular forces are stronger, the boiling points and melting points are higher.

Daria Azizad 1K
Posts: 116
Joined: Thu Jul 25, 2019 12:15 am

Re: States and Intermolecular forces

Postby Daria Azizad 1K » Tue Nov 19, 2019 9:07 am

Yes, solids have higher intermolecular forces, which is why we can think of the molecules composing a solid as being held together more tightly than those of a liquid or gas. A good way to remember this is to think about the Halogens and how F, the least polarizable of the group, is a gas, while Iodine, which is much more polarizable, is a solid.

Bita Ghanei 1F
Posts: 60
Joined: Thu Feb 28, 2019 12:15 am

Re: States and Intermolecular forces

Postby Bita Ghanei 1F » Tue Nov 19, 2019 9:22 am

Solids have the highest inter molecular forces and gasses have the lowest. Liquids are inbetween in IMF strength.


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