What is the difference between a pi bond and a sigma bond?
A sigma bond is caused by the direct overlap of the p-orbitals of carbon atoms, pi bonds are caused by the indirect ‘leaning’ overlap of p-orbitals
What is a double bond?
A double bond consists of one pi bond and one sigma bond
How can you draw a molecule in 3D?
-A solid line represents a bond in the plane of the paper
-A solid wedge represents a bond coming out of the plane of the paper
-A dashed/dotted wedge represents a bond going into the plane of the paper