I need help with this (found this on the internet)

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   

Your awser would be a acetone

Answer ozone (o3) is made of three atoms of oxygen, it is a molecule;