AP Chemistry Polyatomic Ions +Traditional Names memorization

Acetate

Acetate

CH₃COO¹⁻

Bromate

BrO₃¹⁻

Perchlorate

ClO₄¹⁻

Chlorate

ClO₃¹⁻

Chlorite

ClO₂¹⁻

Hypochlorite

ClO¹⁻

Chromate

CrO₄²⁻

Dichromate

Cr₂O₇²⁻

Cyanide

CN¹⁻

Hydride

H¹⁻

Hydrogen Carbonate

HCO₃¹⁻

Hydrogen Sulfate

HSO₄¹⁻

Hydroxide

OH¹⁻

Iodate

IO₃¹⁻

Nitrite

NO₂¹⁻

Nitrate

NO₃¹⁻

Oxalate

C₂O₄²⁻

Peroxide

O₂²⁻

Permanganate

MnO₄¹⁻

Phosphate

PO₄³⁻

Hydrogen Phosphate

HPO₄²⁻

Dihydrogen Phosphate

H₂PO₄¹⁻

Sulfate

SO₄²⁻

sulfite

SO₃²⁻

Thiocyanate

SCN¹⁻

Ammonium

NH₄¹⁺

Cadmium

Cd²⁺

chromium(II)

Cr²⁺

chromium(III)

Cr³⁺

copper(I), cuprous

Cu¹⁺

copper(II), cupric

Cu²⁺

cobalt(II)

Co²⁺

hydrogen

H¹⁺

iron(II), ferrous

Fe²⁺

iron(III), ferric

Fe³⁺

lead(II), plumbous

Pb²⁺

lead(IV), plumbic

Pb⁴⁺

mercury(I), mercurous

Hg₂²⁺

mercury(II), mercuric

Hg²⁺

nickel(II)

Ni²⁺

silver

Ag¹⁺

tin(II), stannous

Sn²⁺

tin(IV), stannic

Sn⁴⁺

zinc

Zn²⁺