Even with all the different ways scientists can approach a problem, there are some basic steps that usually occur in the same order. For a single scientific investigation, which of the following shows steps in the most appropriate order?

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   

Answer246 k;