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560 CHEMICAL IONS
POLYATOMIC MONATOMIC
CATIONS(+) ANIONS(-)
Organic Inorganic
Table IV of IV
Sorted by MOLECULAR MASS
CHEMICAL
NAME
CHEMICAL
FORMULA
IONIC
CHRG
()
MOLE.
MASS
(g/mol)
Hydrogen(I) H+ +1 1.008
Hydron (Hydrogen ion) H+ +1 1.008
Protium (Proton) H+ +1 1.008
Hydride H- -1 1.008
Deuteron (H isotope) D+ (H+) +1 2.014
Deuteride (H isotope) D- (H-) -1 2.014
Triton (H isotope) T+ (H+) +1 3.016
Tritide (H isotope) T- (H-) -1 3.016
Hydrogenonium H3+ +1 3.024
Helium (alpha particle) He2+ +2 4.001
Helium Hydride HeH+ +1 5.011
Hydrohelium HeH+ +1 5.011
Lithium(I) Li+ +1 6.941
Beryllium(II) Be2+ +2 9.012
Boride (Boron) B3- -3 10.811
Boronium BH+ +1 11.819
Carbon C4+ +4 12.011
Carbide (Methanide) C4- -4 12.011
Boronium BH3+ +1 13.835
Nitrogen N5+ +5 14.007
Nitride N3- -3 14.007
Boronium BH4+ +1 14.843
Borohydride BH4- -1 14.843
Imide NH2- -2 15.015
Methyl CH3+ +1 15.035
Methanide (Carbide) CH34- -4 15.035
Boronium BH5+ +1 15.851
Oxide O2- -2 15.999
Amide NH2- -1 16.023
Boronium BH6+ +1 16.859
Hydroxide OH- -1 17.007
Amine (Ammonia) NH30 0 17.031
Ammonia (Amine) NH30 0 17.031
Methanium CH5+ +1 17.050
Ammonium NH4+ +1 18.038
Fluoride F- -1 18.998
Hydronium (Oxonium) H3O+ +1 19.023
Hydroxonium (Hydronium) H3O+ +1 19.023
Oxonium (Hydronium) H3O+ +1 19.023
Hydrogen fluoride HF2- -2 20.006
Fluoronium H2F+ +1 21.014
Sodium(I) Na+ +1 22.990
Acetylide (Carbide) C22- -2 24.021
Carbide (Acetylide) C22- -2 24.021
Magnesium(II) Mg2+ +2 24.305
Cyanide CN- -1 26.017
Isonitrile NC- -1 26.017
Nitrile CN- -1 26.017
Aluminum(III) Al3+ +3 26.982
Carbonyl CO2+ +2 28.010
Hypocarbonite CO2- -2 28.010
Hydrocyanonium H2CN+ +1 28.033
Silicon(IV) Si4+ +4 28.086
Silicide(IV) Si4- -4 28.086
Silicide Si2- -2 28.086
Ethyl C2H5+ +1 29.061
Nitrosonium NO+ +1 30.006
Nitrosyl NO+ +1 30.006
Hyponitrite NO- -1 30.006
Phosphorus(V) P5+ +5 30.974
Phosphorus(III) P3+ +3 30.974
Phosphide P3- -3 30.974
Methanolate CH3O- -1 31.034
Methoxide CH3O- -1 31.034
Hydrazide N2H3- -1 31.037
Ethanium C2H7+ +1 31.077
Dioxygenyl O2+ +1 31.999
Peroxide O22- -2 31.999
Superoxide (Hyperoxide) O2- -1 31.999
Hydroxylamide NHOH- -1 32.022
Sulfide S2- -2 32.065
Hydroperoxide HO2- -1 33.007
Bisulfide HS- -1 33.073
Hydrogen sulfide HS- -1 33.073
Silanium SiH5+ +1 33.125
Hypofluorite FO- -1 34.998
Phosphonium PH4+ +1 35.006
Sulfonium H3S+ +1 35.089
Chloride Cl- -1 35.453
Allylenide C34- -4 36.032
Sesquicarbide C34- -4 36.032
Hydrogen chloride HCl+ +1 36.461
Zundel cation H5O2+ +1 37.039
Chloronium H2Cl+ +1 37.469
Hydrogen difluoride HF2- -1 39.005
Potassium(I) K+ +1 39.098
Cyanamide NCN2- -2 40.024
Ethanolate (Ethoxide) C2H5O- -1 40.061
Ethoxide (Ethanolate) C2H5O- -1 40.061
Calcium(II) Ca2+ +2 40.078
Cyanate OCN- (NCO-) -1 42.017
Fulminate CNO- (ONC-) -1 42.017
Isocyanate NCO- -1 42.017
Nitrile oxide CNO- -1 42.017
Azide N3- -1 42.020
Metaborate BO2- -1 42.810
Propyl C3H7+ +1 43.088
Carbonite CO22- -2 44.010
Aminodiazonium H2N3+ +1 44.036
Thiocarbonyl CS2+ +2 44.076
Scandium(III) Sc3+ +3 44.956
Bicarbonite HCO2- -1 45.017
Formate (Formiate) CHO2- (HCO2-) -1 45.017
Formiate (Formate) CHO2- (HCO2-) -1 45.017
Methanoate (Formate) CHO2- (HCO2-) -1 45.017
Propanium C3H9+ +1 45.104
Nitronium NO2+ +1 46.006
Nitrite (Nitryl) NO2- -1 46.006
Nitryl (Nitrite) NO2- -1 46.006
Thionitrosyl NS+ +1 46.072
Phosphoryl PO+ +1 46.973
Methanethiolate CH3S- -1 47.100
Titanium(IV) (Titanic) Ti4+ +4 47.867
Titanium(III) (Titanous) Ti3+ +3 47.867
Titanium(II) Ti2+ +2 47.867
Ozonide O3- -1 47.998
Sulfinyl (Thionyl) SO2+ +2 48.064
Thionyl (Sulfinyl) SO2+ +2 48.064
Hyposilicite SiO2- -2 48.085
Vanadic (Vanadium(V)) V5+ +5 50.942
Vanadium(V) (Vanadic) V5+ +5 50.942
Vanadium(IV) (Vanadous) V4+ +4 50.942
Vanadous (Vanadium(IV)) V4+ +4 50.942
Vanadium(III) V3+ +3 50.942
Vanadium(II) V2+ +2 50.942
Fluorite FO2- -1 50.997
Chlorate(I) ClO- -1 51.452
Hypochlorite ClO- -1 51.452
Chromium(VI) (Chromyl) Cr6+ +6 51.996
Chromium(III) (Chromic) Cr3+ +3 51.996
Chromium(II) (Chromous) Cr2+ +2 51.996
Manganese(VII) Mn7+ +7 54.938
Manganese(IV) Mn4+ +4 54.938
Manganyl Mn4+ +4 54.938
Manganese(III) Mn3+ +3 54.938
Manganic Mn3+ +3 54.938
Manganese(II) Mn2+ +2 54.938
Manganous Mn2+ +2 54.938
Iron(III) (Ferric) Fe3+ +3 55.845
Iron(II) (Ferrous) Fe2+ +2 55.845
Butyl C4H9+ +1 57.114
Thiocyanate SCN- (NCS-) -1 58.082
Nickel(III) (Nickelic) Ni3+ +3 58.693
Nickelic Ni3+ +3 58.693
Nickel(II) (Nickelous) Ni2+ +2 58.693
Nickelous Ni2+ +2 58.693
Borate BO33- -3 58.809
Perborate BO3- -1 58.809
Cobalt(III) (Cobaltic) Co3+ +3 58.933
Cobalt(II) (Cobaltous) Co2+ +2 58.933
Aluminate AlO2- -1 58.980
Acetate (Ethanoate) C2H3O2- -1 59.044
Ethanoate (Acetate) C2H3O2- -1 59.044
Isopropoxide C3H7O- -1 59.087
Butanium C4H11+ +1 59.130
Hydrogen borate HBO32- -2 59.817
Carbonate CO32- -2 60.009
Carbomate CO2NH2- -1 60.032
Silicite SiO22- -2 60.084
Dihydrogen borate H2BO3- -1 60.825
Bicarbonate HCO3- -1 61.017
Hydrogen carbonate HCO3- -1 61.017
Nitrate NO3- -1 62.005
Peroxonitrite NO3- (ONOO-) -1 62.005
Hypophosphite PO23- -3 62.973
Phosphinate PO23- -3 62.973
Thiophosphoryl PS+ +1 63.039
Disilanium Si2H7+ +1 63.227
Copper(II) (Cupric) Cu2+ +2 63.546
Copper(I) (Cuprous) Cu+ +1 63.546
Hydrogen hypophosphite HPO22- -2 63.981
Sulfonyl (Sulfuryl) SO22+ +2 64.064
Hyposulfite SO22- -2 64.064
Disulfide S22- -2 64.130
Dihydrogen hypophosphite H2PO2- -1 64.988
Hypophosphite H2PO2- -1 64.988
Phosphinate H2PO2- -1 64.988
Hydrogen hyposulfite HSO2- -1 65.072
Cyclopentadiene C5H5- -1 65.093
Zinc(II) Zn2+ +2 65.380
Oxovanadium(IV) VO2+ +2 66.941
Vanadyl(IV) VO2+ +2 66.941
Vanadyl(III) VO+ +1 66.941
Fluorate FO3- -1 66.997
Chlorate(III) ClO2- -1 67.452
Chlorite (Chloryl) ClO2- -1 67.452
Gallium(III) Ga3+ +3 69.723
Pentazenium N5+ +1 70.034
Pentazolium N5+ +1 70.034
Pentazolide N5- -1 70.034
Acrylate C3H3O2- -1 71.055
Pentyl C5H11+ +1 71.141
Germanium(IV) Ge4+ +4 72.640
Eigen cation H9O4+ +1 73.069
Propanoate (Propionate) C3H5O2- -1 73.071
Propionate (Propanoate) C3H5O2- -1 73.071
Arsenic(V) (Arsenic) As5+ +5 74.922
Arsenic(III) (Arsenous) As3+ +3 74.922
Arsenide As3- -3 74.922
Aluminate AlO33- -3 74.980
Percarbonate CO42- -2 76.008
Metasilicate (Silicate) SiO32- -2 76.084
Silicate (Metasilicate) SiO32- -2 76.084
Phenyl C6H5- -1 77.104
Germonium GeH5+ +1 77.670
Pernitrate NO4- -1 78.004
Arsonium AsH4+ +1 78.953
Selenide Se2- -2 78.960
Selenium(II) Se2- -2 78.960
Phosphite PO33- -3 78.972
Metaphosphate PO3- -1 78.972
Bromide Br- -1 79.904
Hydrogen selenide HSe- -1 79.968
Hydrogen phosphite HPO32- -2 79.980
Sulfite SO32- -2 80.063
Pyridinium C5H6N+ +1 80.108
Dihydrogen phosphite H2PO3- -1 80.988
Bisulfite HSO3- -1 81.071
Hydrogen sulfite HSO3- -1 81.071
Sulfonate HSO3- -1 81.071
Pyrylium C5H5O+ +1 81.093
Bromonium H2Br+ +1 81.920
Selenonium H3Se+ +1 81.984
Pervanadyl VO2+ +1 82.940
Vanadate(V) VO2+ +1 82.940
Vanadyl(V) VO2+ +1 82.940
Perfluorate FO4- -1 82.996
Chlorate(V) ClO3- -1 83.451
Chromyl(VI) CrO22+ +2 83.995
Chromite CrO2- -1 83.995
Kryptonium KrH+ +1 84.806
Hexyl C6H13+ +1 85.167
Rubidium(I) Rb+ +1 85.468
Fluoborate BF4- -1 86.803
Tetrafluoroborate BF4- -1 86.803
Pyruvate C3H3O3- -1 87.054
Butanoate (Butyrate) C4H7O2- -1 87.097
Butyrate (Butanoate) C4H7O2- -1 87.097
Strontium(II) Sr2+ +2 87.620
Ethandioate (Oxalate) C2O42- -2 88.019
Oxalate (Ethandioate) C2O42- -2 88.019
Yttrium(III) Y3+ +3 88.906
Binoxalate (Bioxalate) HC2O4- -1 89.027
Bioxalate (Binoxalate) HC2O4- -1 89.027
Hydrogen oxalate HC2O4- -1 89.027
Lactate C3H5O3- -1 89.070
Tetrafluoroammonium NF4- -1 89.999
Tropylium C7H7+ +1 91.130
Zirconium(IV) Zr4+ +4 91.224
Orthosilicate SiO44- -4 92.083
Silicate SiO44- -4 92.083
Persilicate SiO42- -2 92.083
Niobium(V) Nb5+ +5 92.906
Phenoxide OC6H5- -1 93.103
Seleninyl SeO2+ +2 94.959
Orthophosphate PO43- -3 94.971
Phosphate PO43- -3 94.971
Aluminate Al(OH)4- -1 95.011
Mesylate CH3SO2O- -1 95.098
Methanesulfonate CH3SO2O- -1 95.098
Bromate(I) BrO- -1 95.903
Hypobromite (Bromate) BrO- -1 95.903
Molybdenum(VI) Mo6+ +6 95.940
Molybdenum(III) Mo3+ +3 95.940
Molybdenum(II) Mo2+ +2 95.940
Hydrogen phosphate HPO42- -2 95.979
Sulfate SO42- -2 96.063
Sulfamate NH2SO3- -1 96.086
Thiosulfite S2O22- -2 96.129
Dihydrogen phosphate H2PO4- -1 96.987
Bisulfate HSO4- -1 97.071
Hydrogen sulfate HSO4- -1 97.071
Technetium Tc7+ +7 98.000
Metavanadate (Vanadate) VO3- -1 98.940
Vanadate (Metavanadate) VO3- -1 98.940
Vanadate(V) VO3- -1 98.940
Acetylacetonate (keto) C5H7O2- -1 99.108
Heptyl C7H15+ +1 99.194
Chlorate(VII) ClO4- -1 99.451
Perchlorate ClO4- -1 99.451
Ruthenium(IV) Ru4+ +4 101.070
Valerate C4H9CO2- -1 101.124
Diborate B2O54- -4 101.619
Malonate CH2(COO)22- -2 102.046
Propanedioate CH2(COO)22- -2 102.046
Rhodium Rh3+ +3 102.906
Selenocyanate SeCN- -1 104.977
Palladic Pd4+ +4 106.420
Palladium(IV) Pd4+ +4 106.420
Palladium(II) Pd2+ +2 106.420
Palladous Pd2+ +2 106.420
Argentic (Silver(II)) Ag2+ +2 107.868
Silver(II) (Argentic) Ag2+ +2 107.868
Argentous (Silver(I)) Ag+ +1 107.868
Silver(I) (Argentous) Ag+ +1 107.868
Thiocarbonate CS32- -2 108.206
Selenonyl SeO22+ +2 110.959
Perphosphate PO53- -3 110.971
Sorbate C6H7O2- -1 111.119
Bromate(III) (Bromite) BrO2- -1 111.903
Peroxomonosulfate SO52- -2 112.062
Peroxymonosulfate SO52- -2 112.062
Persulfate SO52- -2 112.062
Thiosulfate S2O32- -2 112.128
Cadmium(II) Cd2+ +2 112.411
Octyl C8H17+ +1 113.221
Fumarate C4H2O42- -2 114.056
Indium(III) In3+ +3 114.818
Orthovanadate VO43- -3 114.939
Vanadate(V) VO43- -3 114.939
Octonium C8H19+ +1 115.236
Chromate CrO42- -2 115.994
Succinate C4H4O42- -2 116.072
Gallate(III) GaO33- -3 117.721
Aluminate Al2O42- -2 117.961
Stannic (Tin(IV)) Sn4+ +4 118.710
Tin(IV) (Stannic) Sn4+ +4 118.710
Stannous (Tin(II)) Sn2+ +2 118.710
Tin(II) (Stannous) Sn2+ +2 118.710
Hypomanganate MnO43- -3 118.936
Manganate(VI) MnO42- -2 118.936
Manganate(VII) MnO4- -1 118.936
Permanganate MnO4- -1 118.936
Ferrate FeO42- -2 119.843
Germanate GeO32- -2 120.638
Benzoate C6H5CO2- -1 121.113
Stannonium SnH3+ +1 121.734
Antimonic (Antimony(V)) Sb5+ +5 121.760
Antimony(V) (Antimonic) Sb5+ +5 121.760
Stibnic (Antimony(V)) Sb5+ +5 121.760
Antimonous (Antimony) Sb3+ +3 121.760
Antimony(III) Sb3+ +3 121.760
Stibnous (Antimony(III)) Sb3+ +3 121.760
Antimonide Sb3- -3 121.760
Arsenite AsO33- -3 122.920
Dihydrogen arsenite H2AsO3- -1 124.936
Stibonium SbH4+ +1 125.792
Iodide I- -1 126.905
Selenite SeO32- -2 126.958
Nonyl C9H19+ +1 127.247
Telluride Te2- -2 127.600
Bromate(V) BrO3- -1 127.902
Hydrogen selenite HSeO3- -1 127.966
Dithionite S2O42- -2 128.128
Hydrogen telluride HTe- -1 128.608
Iodonium H2I+ +1 128.920
Cyclopentadienyl C5N5- -1 130.087
Hexahydroxysilicate Si(OH)62- -2 130.130
Telluronium H3Te+ +1 130.624
Malate C4H4O52- -2 132.072
Xenonium XeH+ +1 132.301
Cesium(I) Cs+ +1 132.905
Tetrahydroxozincate Zn(OH)42- -2 133.409
Zincate Zn(OH)42- -2 133.409
Hypostannite SnO2- -2 134.709
Disilicate Si2O52- -2 136.168
Salicylate C7H5O3- -1 137.113
Barium(II) Ba2+ +2 137.327
Antomonyl SbO+ +1 137.759
Lanthanum La3+ +3 138.906
Arsenate AsO43- -3 138.919
Zirconate ZrO32- -2 139.222
Hydrogen arsenate HAsO42- -2 139.927
Cerium(IV) (Ceric) Ce4+ +4 140.116
Cerium(III) (Cerous) Ce3+ +3 140.116
Niobate NbO3- -1 140.904
Praseodymium Pr3+ +3 140.908
Dihydrogen arsenate H2AsO4- -1 140.935
Hexafluoroaluminate AlF63- -3 140.974
Decyl C10H21+ +1 141.274
Diammine silver(I) Ag(NH3)2+ +1 142.050
Fluosilicate SiF62- -2 142.076
Hexafluorosilicate SiF62- -2 142.076
Hypoiodite IO- -1 142.904
Iodate(I) IO- -1 142.904
Selenate SeO42- -2 142.958
Caprylate C8H15O2- -1 143.204
Bromate(VII) BrO4- -1 143.902
Perbromate (Bromate) BrO4- -1 143.902
Hydrogen selenate HSeO4- -1 143.966
Pyrosufuryl S2O52+ +2 144.127
Metabisulfite S2O52- -2 144.127
Neodymium Nd3+ +3 144.242
Triborate B3O75- -5 144.429
Hexafluorophosphate PF6- -1 144.964
Promethium Pm3+ +3 145.000
Glutamate C5H7NO42- -2 145.113
Tartrate C4H4O62- -2 148.071
Triflate CF3SO3- -1 149.069
Trifluoromethanesulfate CF3SO3- -1 149.069
Bitartrate C4H5O6- -1 149.079
Hydrogen tartrate C4H5O6- -1 149.079
Samarium(III) Sm3+ +3 150.360
Stannite SnO22- -2 150.709
Mandelate C8H7O3- -1 151.139
Europium(III) Eu3+ +3 151.964
Europium(II) Eu2+ +2 151.964
Tellurocyanate TeCN- -1 153.617
Biborate (Tetraborate) B4O72- -2 155.240
Tetraborate (Biborate) B4O72- -2 155.240
Undecyl C11H23+ +1 155.300
Hydrogen tetraborate HB4O7- -1 156.248
Benzenesulfonate C6H5SO2O- -1 157.167
Besylate C6H5SO2O- -1 157.167
Gadolinium Gd3+ +3 157.250
Hypophosphate P2O64- -4 157.944
Iodyl IO2+ +1 158.903
Iodate(III) IO2- -1 158.903
Iodite IO2- -1 158.903
Terbium(III) Tb3+ +3 158.925
Molybdate MoO42- -2 159.938
Dithionate S2O62- -2 160.126
Thionite S2O62- -2 160.126
Pertechnetate TcO4- -1 161.998
Dysprosium Dy3+ +3 162.500
Phthalate C8H4O42- -2 164.115
Holmium Ho3+ +3 164.930
Biphthalate C8H5O4- -1 165.123
Stannate SnO32- -2 166.708
Erbium Er3+ +3 167.259
Disilicate Si2O76- -6 168.167
Pyrosilicate Si2O76- -6 168.167
Thulium Tm3+ +3 168.934
Dodecyl C12H25+ +1 169.327
Stannite Sn(OH)3- -1 169.732
Antimonite SbO33- -3 169.758
Tetracarbonylcobaltate Co(CO)4- -1 170.973
Toluenesulfonate CH3C6H4SO3- -1 171.194
Tosylate CH3C6H4SO3- -1 171.194
Antimonite H2SbO3- -1 171.774
Ytterbium(III) Yb3+ +3 173.040
Ytterbium(II) Yb2+ +2 173.054
Pyrophosphate P2O74- -4 173.945
Iodate(V) IO3- -1 174.903
Lutetium Lu3+ +3 174.967
Ascorbate C6H7O6- -1 175.116
Tellurite TeO32- -2 175.598
Disulfate S2O72- -2 176.126
Pyrosulfate S2O72- -2 176.126
Hydrogen tellurite HTeO3- -1 176.606
Hafnium Hf4+ +4 178.490
Tantalum(V) Ta5+ +5 180.948
Perstannate SnO42- -2 182.708
Tungsten W6+ +6 183.850
Antimonate SbO43- -3 185.758
Rhenium Re7+ +7 186.207
Tetraborate B4O96- -6 187.239
Citrate C6H5O73- -3 189.100
Hydrogen citrate HC6H5O72- -2 190.108
Osmium(IV) Os4+ +4 190.230
Iodate(VII) IO4- -1 190.903
Metaperiodate IO4- -1 190.903
Periodate IO4- -1 190.903
Dihydrogen citrate H2C6H5O7- -1 191.116
Borate B4O5(OH)42- -2 191.270
Metatellurate TeO42- -2 191.598
Tellurate TeO42- -2 191.598
Peroxodisulfate S2O82- -2 192.125
Peroxydisulfate S2O82- -2 192.125
Persulfate S2O82- -2 192.125
Iridium Ir4+ +4 192.217
Hydrogen tellurate HTeO4- -1 192.606
Platinic Pt4+ +4 195.084
Platinum(IV) Pt4+ +4 195.084
Platinum(III) Pt3+ +3 195.084
Platinous Pt2+ +2 195.084
Platinum(II) Pt2+ +2 195.084
Gluconate C6H11O7- -1 195.147
Auric (Gold(III)) Au3+ +3 196.967
Gold(III) (Auric) Au3+ +3 196.967
Aurous (Gold(I)) Au+ +1 196.967
Gold(I) (Aurous) Au+ +1 196.967
Sulfobenzoate C7H4O5S2- -2 200.169
Laurate C12H24O2- -1 200.318
Mercury(II) (Mercuric) Hg2+ +2 200.590
Thallic (Thallium(III)) Tl3+ +3 204.383
Thallium(III) (Thallic) Tl3+ +3 204.383
Thallium(I) (Thallous) Tl+ +1 204.383
Thallous (Thallium(I)) Tl+ +1 204.383
Rhenate ReO4- -1 205.205
Lead(IV) (Plumbic) Pb4+ +4 207.200
Lead(II) (Plumbous) Pb2+ +2 207.200
Bismuth(V) (Bismuthic) Bi5+ +5 208.980
Bismuthic (Bismuth(V)) Bi5+ +5 208.980
Bismuth(III) Bi3+ +3 208.980
Bismuthous Bi3+ +3 208.980
Polonium(IV) Po4+ +4 209.000
Polonium(II) Po2+ +2 209.000
Astatide At- -1 210.000
Plumbonium PbH3+ +1 210.224
Ferrocyanide Fe(CN)64- -4 211.949
Hexacyanoferrate(II) Fe(CN)64- -4 211.949
Ferricyanide Fe(CN)63- -3 211.949
Hexacyanoferrate(III) Fe(CN)63- -3 211.949
Bismuthonium BiH4+ +1 213.012
Divanadate V2O74- -4 213.878
Pyrovanadate V2O74- -4 213.878
Dichromate Cr2O72- -2 215.988
Stannate Sn(OH)62- -2 220.754
Orthoperiodate IO65- -5 222.901
Periodate IO65- -5 222.901
Francium(I) Fr+ +1 223.000
Orthotellurate TeO66- -6 223.596
Tellurate TeO66- -6 223.596
Antimonate (hydrated) Sb(OH)6- -1 223.804
Tetrathionate S4O62- -2 224.256
Radium(II) Ra2+ +2 226.000
Actinium Ac3+ +3 227.000
Perxenate XeO64- -4 227.289
Tantalate TaO3- -1 228.946
Protactinium(V) Pa5+ +5 231.036
Protactinium(IV) Pa4+ +4 231.036
Thorium(IV) Th4+ +4 232.038
Neptunium Np5+ +5 237.000
Uranium(VI) U6+ +6 238.029
Uranium(IV) (Uranous) U4+ +4 238.029
Uranous (Uranium(IV)) U4+ +4 238.029
Plumbite(II) PbO22- -2 239.199
Americium(III) Am3+ +3 243.060
Plutonium(IV) Pu4+ +4 244.000
Berkelium(IV) Bk4+ +4 247.000
Berkelium(III) Bk3+ +3 247.000
Curium Cm3+ +3 247.000
Tungstate (Wolframate) WO42- -2 247.838
Perrhenate ReO4- -1 250.205
Rhenate ReO4- -1 250.205
Californium Cf3+ +3 251.000
Einsteinium Es3+ +3 252.000
Tripolyphosphate P3O105- -5 252.915
Uranium(IV) oxide UO2+ +2 254.028
Uranyl(IV) UO2+ +2 254.028
Plumbate(IV) PbO32- -2 255.198
Palmitate C16H31O2- -1 255.416
Tetrasilicate Si4O92- -2 256.339
Bismuthate BiO3- -1 256.978
Polonate PoO32- -2 256.998
Polonium(IV) oxide PoO32- -2 256.998
Fermium Fm3+ +3 257.000
Astatate AtO3- -1 257.998
Mendelevium(III) Md3+ +3 258.000
Nobelium(III) No3+ +3 259.000
Nobelium(II) No2+ +2 259.000
Lauryl sulfate C12H25SO4- -1 265.390
Neptunyl NpO22+ +2 268.999
Uranate UO22+ +2 270.028
Uranium(VI) oxide UO22+ +2 270.028
Uranyl(VI) UO22+ +2 270.028
Orthoplumbate PbO44- -4 271.198
Americyl AmO22+ +2 274.999
Plutonyl (Plutoryl) PuO22+ +2 275.999
Oleate C18H33O2- -1 281.453
Stearate C18H35O2- -1 283.469
Plumbate Pb(OH)62- -2 309.244
Triiodide I3- -1 380.714
Mercury(I) (Mercurous) Hg22+ +2 401.180
Chloroplatinate PtCl62- -2 407.798
Folate C19H17N7O62--2 439.382
Diuranate U2O72- -2 588.054
Uranate U2O72- -2 588.054
Paramolybdate Mo7O246- -6 1055.566
Copyright 2013 James C. Shook