Which set contains no ionic species?
ANH4Cl, OF2, H2S
BCO2, Cl2, CCl4
CBF3, AlF3, TlF3
DI2, CaO, CH3Cl
ANH4Cl, OF2, H2S
BCO2, Cl2, CCl4
CBF3, AlF3, TlF3
DI2, CaO, CH3Cl