chem 6a: polyatomic ions

NH₄ ⁺

ammonium ion

Hg₂²⁺

mercury (I) ion

CN^-

cyanide ion

CH₃CO₂^-

acetate ion

OH^-

hydroxide ion

MnO₄^-

permanganate ion

NO₃^-

nitrate ion

NO₂^-

nitrite ion

HCO₃^-

hydrogen carbonate ion (bicarbonate)

HSO₄^-

hydrogen sulfate ion (bisulfate)

HSO₃^-

hydrogen sulfite ion (bisulfite)

ClO₄^-

perchlorate ion

ClO₃^-

chlorate ion

ClO₂^-

chlorite ion

ClO^-

hypochlorite ion

BrO₄^-

perbromate ion

BrO₃^-

bromate ion

BrO₂^-

bromite ion

BrO^-

hypobromite ion

IO₄^-

periodate ion

IO₃^-

iodate ion

IO₂^-

iodite ion

IO^-

hypoiodite ion

O₂^2-

peroxide ion

C₂O₄^2-

oxalate ion

CO₃^2-

carbonate ion

SO₄^2-

sulfate ion

SO₃^2-

sulfite ion

S₂O₃^2-

thiosulfate ion

CrO₄^2-

chromate ion

Cr₂O₇^2-

dichromate ion

PO₄^3-

phosphate ion