What happens when : 1) you mix steel and aluminum foil 2) you mix sodium chloride and steel 3) you mix sucrose and steel

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   

Don’t know. don’t care.look it up on google