Quote:
Originally Posted by Pwnage101  if its a non-polar substance, because the greater the molecular mass, the stronger the dispersion forces. Stronger intermolecular forces mean it is harder to break up 2 molecules, and thus it has a higher melting nd boiling point. |
o i thought that all molecules, polar and non polar had dispersion forces according to their size and mass, thats y we can get all elements as a solid because there are dispersion forces present in all molecular bonds.
the non-polar substances have the dipole-dipole bonds requiring more energy to break these bonds. (lol im hesitant about questioning you because i saw what ur HSC results were =s)
so to op this i what i think.
as mass and size of the molecules increase they create stonger dispersion forces, requiring larger amounts of energy to break these bonds.