Uncommon Polyatomic Ions

Fulminate

CNO^-

Hexafluorosilicate

SiF₆^2-

Stannate

SnO₃^2-

Stannite

SnO₂^2-

Germanate

GeO₃^2-

Ferricyanide

Fe(CN)₆^3-

Ferrocyanide

Fe(CN)₆^4-

Ferric Thiocyanate

FeSCN²⁺

Arsenate

AsO₄^3-

Arsenite

AsO₃^3-

Bismuthate

BiO₃^-

Antimonate

SbO₄^3-

Molybdate

MoO₄^2-

Tungstate

WO₄^2-

Vanadate

VO₃^-

Orthovanadate

VO₄^3-

Selenide

Se^2-

Selenate

SeO₄^2-

Selenite

SeO₃^2-

Tellurate

TeO₄^2-

Dithionate

S₂O₆^2-

Dithionite

S₂O₄^2-

Tetraborate

B₄O₇^2-

Zincate

Zn(OH)₄^2-