polyatomics
NH₄⁺
Ammonium
C₂H₃O₂⁻ or CH₃COO⁻
Acetate
CO₃⁻²
Carbonate
HCO₃⁻
Hydrogen Carbonate
CN⁻
Cyanide
OCN⁻
Cyanate
SCN⁻
Thiocyanate
NO₂⁻
Nitrite
NO₃⁻
Nitrate
PO₄⁻³
Phosphate
HPO₄⁻²
hydrogen phosphate
H₂PO₄⁻
dihydrogen phosphate
SO₄⁻²
Sulfate
HSO₄⁻
Hydrogen Sulfate
S₂O₃⁻²
Thiosulfate
C₂O₄⁻²
Oxalate
OH⁻
Hydroxide
O₂⁻²
Peroxide
CrO₄⁻²
Chromate
Cr₂O₇⁻²
Dichromate
MnO₄⁻
Permanganate
FO₂⁻
Fluorite
FO⁻
Hypofluorite
ClO⁻
Hypochlorite
ClO₂⁻
Chlorite
ClO₃⁻
Chlorate
ClO₄⁻
Perchlorate
BrO⁻
Hypobromite
BrO₃⁻
Bromate
BrO₄⁻
Perbromate
IO⁻
Hypoiodite
IO₃⁻
Iodate
IO₄⁻
Periodate
SO₃⁻²
Sulfite
HSO₃⁻
Hydrogen Sulfite