hydroxide

OH -

hypochlorite

ClO -

acetate

C2H3O2 -

chlorite

ClO2 -

Cyanide

CN -

chlorate

ClO3 -

(Bicarbonate) hydrogen carbonate

HCO3 -

perchlorate

ClO4 -

(Bisulfate) hydrogen sulfate

HSO4 -

nitrate

NO3 -

nitrite

NO2 -

chromate

CrO4 -2

sulfite

SO3 -2

dichromate

Cr2O7 -2

sulfate

SO4 -2

carbonate

CO3 -2

phosphate

PO4 -3

ammonium

NH4+

Mercury(I)

Hg2+2

Mercury(II)

Hg+2