Polyatomic Ions
Formula | Name |
|---|---|
NH₄⁺ | ammonium ion |
CN⁻ | cyanide ion |
CH₃CO₂⁻ or C₂H₃O₂⁻ | acetate ion |
CO₃²⁻ | carbonate ion |
HCO₃⁻ | bicarbonate ion / hydrogen carbonate ion |
C₂O₄²⁻ | oxalate ion |
NO₂⁻ | nitrite ion |
NO₃⁻ | nitrate ion |
PO₄³⁻ | phosphate ion |
HPO₄²⁻ | hydrogen phosphate ion |
H₂PO₄⁻ | dihydrogen phosphate ion |
OH⁻ | hydroxide ion |
SO₃²⁻ | sulfite ion |
SO₄²⁻ | sulfate ion |
HSO₄⁻ | hydrogen sulfate ion / bisulfate ion |
ClO⁻ | hypochlorite ion |
ClO₂⁻ | chlorite ion |
ClO₃⁻ | chlorate ion |
ClO₄⁻ | perchlorate ion |
BrO⁻ | hypobromite ion |
BrO₂⁻ | bromite ion |
BrO₃⁻ | bromate ion |
BrO₄⁻ | perbromate ion |
IO⁻ | hypoiodite ion |
IO₂⁻ | iodite ion |
IO₃⁻ | iodate ion |
IO₄⁻ | periodate ion |
CrO₄²⁻ | chromate ion |
Cr₂O₇²⁻ | dichromate ion |
MnO₄⁻ | permanganate ion |
O₂²⁻ | peroxide ion |
SCN⁻ | thiocyanate ion |