How to use in-sentence of “sigma bond”:
– Conjugation is the overlap of one p-orbital with another across a sigma bond that is in between.
– If they are joined by a triple bond they have one sigma bond and two pi bonds.
– This is why a sigma bond is stronger.
– Atoms that are joined by a double bond have one sigma bond and one pi bond.
– In some cases of multiple bonds between two atoms, there is no sigma bond at all, only pi bonds.