Which molecules are achiral and chiral?

#CH_2BrF#
#H_2C=CHCF_3#
#HPCIBrCH_3^+#
#Br_3C CHClBr#
#H_3C CH_2F#
#H_3CF#
#H_3C CHBrCH_2CH_3#
#PCl_2BrCH_3^+#