A molecule contains 16 atoms and undergoes a chemical change. How does the chemical change affect the roral number of aroms of each element?
A.
It changes to zero.
B.
It decreases.
C.
It remains the same.
D.
It increases

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   

Ais stronge

Ansa leaf changing color in autumn;