# Species Formula 7966 Mercury dimer, cationHg2 7967 Mercury, dimerHg2 7968 Hg(I)HgO (HGFLAC10) (Geo)C4O4F6Hg2 7969 Hg(I)HgO (HGFLAC10)C4O4F6Hg2 7970 (mu-2-fluoro)-tetrakis(trifluoromethyl)-mercury_(TUQSUT) (Geo)C4F14Hg2 7971 Hg(II)CCl (CLHGMA) (Geo)CH2Cl2Hg2 7972 Hg(II)CCl (CLHGMA)CH2Cl2Hg2 7973 Hg(II)PCl3 (MPHGCL10) (Geo)C6H18P2Cl4Hg2 7974 Hg(II)Cl4(2-) (DEYMUP) (Geo)Cl6Hg2 7975 Hg(II)Cl4(2-) (DEYMUP)Cl6Hg2 7976 Hg(II)NI2 (EWOREN) (Geo) C4H4N2I4Hg2 7977 Hg(II)NI2 (EWOREN)C4H4N2I4Hg2 7978 Hg(II)CCl (BIYFIY) (Geo)HC2OCl3Hg3 7979 Hg(II)CCl (BIYFIY)HC2OCl3Hg3 7980 Hg(II)CBr (BIYFOE) (Geo)HC2OBr3Hg3 7981 Hg(II)CBr (BIYFOE)HC2OBr3Hg3 7982 Thallium (+++)Tl 7983 Thallium, dicationTl 7984 Thallium, cationTl 7985 Thallium, atomTl 7986 Tl(III)C2(+) (DMTLAZ) (Geo)C2H6Tl