How many carbons are in the planar double-bond system of 3-methylcyclopentene?

There are a total of four (4) carbon that are in the planar double-bond system of 3-methylcyclopentene. The 3-methylcyclopentene can be found in spices and herbs, it is also a constituent of the flowers of Jasminum sambac (Arabian jasmine). It is also belongs to the family of Aliphatic Homomonocyclic Compounds.

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf