(Polar molecules, Non-polar molecules, etc.)
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Can someone please expand how you determine which bond is a sigma bond versus which is a pi bond? I understand bonds have overlapping orbitals side-by-side, but I am confused how you determine the bonds from a lewis structure?
A sigma bond forms when two hybridized orbitals overlap (such as sp, sp2, or sp3 hybridized orbitals) whereas pi bonds form when 2 p orbitals overlap side by side. From what I understand, when looking at a lewis structure, a single bond will be a sigma bond, a double bond will have 1 pi and 1 sigma bond, and a triple bond will have 1 sigma and 2 pi bonds. If you draw out the lewis structure and then draw out the actual structure of a given molecule, it will be easier to see how these sigma and pi bond form. The videos on Khan academy for this topic were extremely helpful so I would highly recommend watching all of the videos on hybridization: here's the link https://www.khanacademy.org/science/org ... -jay-final
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