Ion Sheet

Negative Polyatomic Ions:

Name / Ionic Formula
Acetate / C2H3O21-
Bicarbonate / HCO31-
Bromate / BrO31-
Carbonate / CO32-
Chlorate / ClO31-
Chlorite / ClO21-
Chromate / CrO42-
Citrate / C6H5O73-
Cyanide / CN1-
Dichromate / Cr2O72-
Hydroxide / OH1-
Hypochlorite / ClO1-
Iodate / IO31-
Nitrate / NO31-
Nitrite / NO21-
Oxalate / C2O42-
Perchlorate / ClO41-
Permanganate / MnO41-
Peroxide / O22-
Phosphate / PO43-
Silicate / SiO32-
Sulfate / SO42-
Sulfite / SO32-
Thiocyanate / SCN1-
Thiosulfate / S2O32-

Positive Polyatomic Ions:

Name / Ionic Formula
Ammonium / NH41+
Hydronium / H3O+
Mercury (I) / Hg22+

Transition Metals:

Name / Ionic Formula
Cadmium / Cd2+
Chromium(II) / Cr2+
Chromium(III) / Cr3+
Cobalt(II) / Co2+
Cobalt(III) / Co3+
Copper(I) / Cu1+
Copper(II) / Cu2+
Iron(II) / Fe2+
Iron(III) / Fe3+
Lead(II)* / Pb2+
Lead(IV)* / Pb4+
Manganese(II) / Mn2+
Manganese(III) / Mn3+
Mercury(II) / Hg2+
Nickel(II) / Ni2+
Silver / Ag1+
Tin(II)* / Sn2+
Tin(IV)* / Sn4+
Zinc / Zn2+
Zirconium(IV) / Zr4+
Vanadium(II) / V2+
Vanadium(III) / V3+
Vanadium(IV) / V4+

*Not a transition metal, but has

a variable oxidation state/charge


Ion Sheet