††† Taylorís 3/4 Oxygen Rule for Polyatomic Ions

 

1

IA

IIA

 

 

 

 

H

 

 

 

 

 

IIIa

IVA

VA

VIA

VIIA

He

2

 

 

 

 

 

 

 

 

 

 

 

 

B

C*

N

Ne

3

 

 

 

 

 

 

 

 

 

 

 

 

 

Si

P

S

Cl

Ar

4

 

 

 

 

V

Cr

Mn

Fe

 

 

 

 

 

 

As

Se

Br

Kr

5

 

 

 

 

 

Mo

 

 

 

 

 

 

 

Sn

Sb

Te

I

Xe

6

 

 

 

 

 

W

 

 

 

 

 

 

 

Pb

 

 

 

Rn

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Link to Interactive Nonmetal Oxyanions

 

 

 

 

 

 

 

Link to Interactive Transitional Metal Polyatomic Ions

 

 

*inorganic polyatomic Ėate ion which does not have 3 or 4 oxygen atoms: CyanateCNO1-

 

Acetate CH3COO

††††††††† or C2H3O2

Aluminate††††††† AlO2

††††††††† or Al2O42−

Amide††††††††††††† NH2

Ammonium††††† NH4+

Antimonate††††† SbO43−

Antimonite†††††† SbO33−

Arsenate††††††††† AsO43−

Arsenite†††††††††† AsO33−

Azide†††††††††††††† N3

BenzoateC6H5COO

Bicarbonate†††† HCO3

Borate††††††††††††† BO33−

Metaborate††††† BO2

Tetraborate††††† B4O72−

Bromate†††††††††† BrO3

Bromite††††††††††† BrO2

Carbide†††††††††††† C22−

Carbonate†††††††† CO32−

Carbonite††††††††† CO22−

Chlorate††††††††††† ClO3

Chlorite††††††††††††† ClO2

Chromate†††††††††† CrO42−

Chromite††††††††††† CrO2††††

Chromyl†††††††††††† CrO22+

Citrate††††††††††††† C6H5O73−

Cyanate††††††††††††† OCN

Cyanide††††††††††††† CN

Dichromate††††††† Cr2O72−

Dihydrogen

††††††† ArsenateH2AsO4

Dinhydrogen

†††††† Phophate††† H2PO4

Dihydrogen

†††††† Phosphite†† H2PO3

Dioxygenyl††††††††† O2+

Disulfide††††††††††††† S22−

Ferrate††††††††††††† FeO42−†††††††††††

Ferricyanide†††††††† Fe(CN)63−

Ferrocycanide†††††† Fe(CN)64−†††††† †††††

Formate (formiate)†††††HCO2

Fulminate††††††††††††††††† †††CNO

Hydrazide†††††††††††††††††††† N2H3

Hydrogen carbonate†† HCO3

Hydrogen arsenate†† HAsO42−

Hydrogen phosphateHPO42−

Hydrogen phosphite††† HPO32−

Hydrogen sulfate††††††††† HSO4

Hydrogen sulfite†††††††††† HSO3

Hydrogen telluride†††††† HTe

Hydronium††††††††††††††††††† H3O+

Hydroxide†††††††††††††††††††† OH

Hypobromite†††††††††††††††† BrO

Hypochlorite†††††††††††††††† ClO

Hypoiodite†††††††††††††††††††† IO

Hypophosphite†††††††††††† PO23−

Hyposulfite†††††††††††††††††† SO22−

Periodate†††††††††††††††††††††† IO4

Iodate†††††††††††††††††††††††††††† IO3

Thiodide†††††††††††††††††††††††† I3

Iodite††††††††††††††††††††††††††††† IO2

Isocyanate†††††††††††††††††††† NCO

Mercury (I)†††††††††††††††††††† Hg22+

Manganate†††††††††††††††††† MnO42−

Molybdate††††††††††††††††††† MoO42−

Nitrate†††††††††††††††††††††††††††† NO3

Nitrite††††††††††††††††††††††††††††† NO2

Nitronium†††††††††††††††††††††† NO2+

Oxalate††††††††††††††††††††††† C2O42−

Ozonide†††††††††††††††† †††††††††O3

Perbromate††††††††††††††††††† BrO4

Perchlorate††††††††††††††††††† ClO4

Permanganate††††††††††††† MnO4

Peroide†††††††††††††††††††††††††† O22−

Perrhenate†††††††††††††††††††† ReO4

Peroxomonosulfate†††† SO52−

Peroxodisulfate††††††††††† S2O82−

 

Pertechnetate ††TcO4

Phosphate††††† ††PO43−

Phosphite ††††††††PO33−

Plumbate†††††††† ††PbO32−

Plumbite†††††††† ††PbO22−

Pyridinium†††† ††C5H6N+

Pyrophosphate P2O74−

Pyrylium††††††† ††C5H5O+

Quartenary

††† Ammonium NR4+

Selenate††††††† SeO42−

Selenite ††††††††SeO32−

Silicate†††††††††† SiO32−

Disilicate††††††† Si2O52−

Metasilicate†† SiO32−

OrthosilicateSiO44−

Pyrosilicate††† Si2O76−

Stannate†††††††† SnO32−

Stannite††††††††† SnO22−

Sulfate††††††††††† SO42−

Sulfite†††††††††††† SO32−

Sulfonium†††††† R3S+

Superoxide†††† O2

Tartrate

†† (CH(OH)COO)22−

Metatellurate TeO42

Orthotellurite TeO66−

Tellurite†††††††† TeO32−

ThiocyanateSCN

Thiosulfate††† S2O32−

Tosylate †††CH3C6H4SO3

††††††† (toluenesulfonate)

Triflate††††††††† CF3SO3

(trifluoromethanesulfonate)

Tungstate†††††† WO42−

Uranyl††††††††††††† UO22+

Vanadate†††††††† VO43−

Vanadyl†††††††††† VO2+

Pervanadyl††††† VO2+

 

Taylorís Polyatomic Ion Charge Rule:

 

 

1

IA

IIA

 

 

 

 

H

 

 

 

 

 

IIIa

IVA

VA

VIA

VIIA

He

2

 

 

 

 

 

 

 

 

 

 

 

 

3-

2-**

1-#

Ne

3

 

 

 

 

 

 

 

 

 

 

 

 

 

2-**

3-

2-

1-

Ar

4

 

 

 

 

3-

2-

2-*

2-

 

 

 

 

 

 

3-

2-

1-

Kr

5

 

 

 

 

 

2-

 

 

 

 

 

 

 

2-**

3-

2-

1-

Xe

6

 

 

 

 

 

2-

 

 

 

 

 

 

 

2-**

 

 

 

Rn

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Link to Interactive Nonmetal Oxyanions

 

 

 

 

 

 

 

 

Link to Interactive Transitional Metal Polyatomic Ions

 

 

 

*In Permanganate the Per means more charge (add +1 to manganateís charge), not more oxygen as in perchlorate. Therefore: PermanganateMnO41-

 

** Group IVA oxyanions have 2- charges instead of the expected 4- ! Why?

 

# Nitrate has a 1- charge instead of the expected 3- ! Why?