I need help understanding intermolecular forces

  • #1
Potato Head
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TL;DR Summary
I cannot understand what are pd-pd and id-id forces.
I cannot understand what are pd-pd and id-id bonds along with how to identify them. I think this is related to something about polar molecules but I’m just really lost right now.


I also need help on how to remember the names of the different shapes that the compounds form; e.g - Trigonal Planer.
 
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  • #2
If the molecule has a permanent dipole, it can participate in pd-pd bonds, if it doesn't have the permanent dipole - induced dipoles is the only thing it can count on.
 
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Likes BillTre
  • #3
Can you please explain what permanent dipoles are?
 

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