When the charge between molecules hasn't completely cancelled out.
Br2 will cancel- vdw forces
H2O will not- dipole-dipole bonds
The molecule is nonpolar.
No a molecule is a molecule, polar or nonpolar.
Methyl is a nonpolar molecule.
non-polar molecule
Glycine is a polar molecule.
Tyrosine is a polar molecule.
ASCl3 is a polar molecule.
CFH3 is a polar molecule.
CHF3 is a polar molecule.
Asparagine is a polar molecule.
Cysteine is a polar molecule.
Dichloromethane is a polar molecule.