Identify the molecules that have a dipole moment.

A. N₂                    (dipole / no dipole)

B. O₃ (bent)         (dipole / no dipole)

C. SO₂ (linear) (dipole / no dipole)

D. CH₄                  (dipole / no dipole)

E. BH₃ (planar)    (dipole / no dipole)