Your response should list the letters for all correct answers in alphabetical order (for example: BFGH). Which of the following molecules or polyatomic ions have a dipole moment (that is, which molecules or ions are polar)?
A) SO2
B) CH4
C) H2S
D) NO3-
E) BrF3
F) XeF4
G) SbF5
H) SiH4