Chemistry - Common Ion Chart - AP CHEM

(NH₄)⁺¹

Ammonium (+1 CATION)

CS⁺¹

Cesium (+1 CATION)

Cu⁺¹

Copper (I) (cuprous) (+1 CATION)

H⁺¹

Hydrogen (+1 CATION)

Li⁺¹

Lithium (+1 CATION)

K⁺¹

Potassium (+1 CATION)

Rb⁺¹

Rubidium (+1 CATION)

Ag⁺¹

Silver (+1 CATION)

Na⁺¹

Sodium (+1 CATION)

Ba⁺²

Barium (+2 CATION)

Be⁺²

Beryllium (+2 CATION)

Ca⁺²

Calcium (+2 CATION)

Cr⁺²

Chromium (+2 CATION)

Cr⁺²

Chromium (II) chromous (+2 CATION)

Co⁺²

Cobalt (II) cobaltous (+2 CATION)

Cu⁺²

Copper (II) cupric (+2 CATION)

Fe⁺²

Iron (II) ferrous (+2 CATION)

Pb⁺²

Lead (II) plumbous (+2 CATION)

Mg⁺²

Magnesium (+2 CATION)

(Hg₂)⁺²

Mercury (II) (mercurous) (+2 CATION)

Hg⁺²

Mercury (I) (mercuric) (+2 CATION)

Ni⁺²

Nickel (+2 CATION)

Sr⁺²

Strontium (+2 CATION)

Sn⁺²

Tim (II) (stannous) (+2 CATION)

Zn⁺²

Zinc (+2 CATION)

Al⁺³

Aluminum (+3 CATION)

Cr⁺³

Chromium (III) chromic (+3 CATION)

Ga⁺³

Gallium (+3 CATION)

Fe⁺³

Iron (III) ferric (+3 CATION)

Pb⁺⁴

Lead (IV) plumbic (+4 CATION)

Sn⁺⁴

Tin (IV) stannic (+4 CATION)

(C₂H₃O₂)^-1

Acetate (-1 ANION)

(BrO₃)^-1

Bromate (-1 ANION)

Br^-1

Bromide (-1 ANION)

(CIO₃)^-1

Chlorate (-1 ANION)

Cl^-1

Chloride (-1 ANION)

(CIO₂)^-1

Chlorite (-1 ANION)

(CN)^-1

Cyanide (-1 ANION)

(H₂PO₄)^-1

Dihydrogen Phosphate (-1 ANION)

F^-1

Fluoride (-1 ANION)

H^-1

Hydride (-1 ANION)

(HCO₃)^-1

Hydrogen Carbonate (bicarbonate) (-1 ANION)

(HSO₄)^-1

Hydrogen Sulfate (bisulfate) (-1 ANION)

(OH)^-1

Hydroxide (-1 ANION)

(CIO)^-1 or (OCI)^-1

Hypochlorite (-1 ANION)

(IO₃)^-1

Iodate (-1 ANION)

I^-1

Iodide (-1 ANION)

(NO₃)^-1

Nitrate (-1 ANION)

(NO₂)^-1

Nitrite (-1 ANION)

(CIO₄)^-1

Perchlorate (-1 ANION)

(MnO₄)^-1

Permanganate (-1 ANION)

(SCN)^-1

Thiocyanate (-1 ANION)

(CO₃)^-2

Carbonate (-2 ANION)

(CrO₄)^-2

Chromate (-2 ANION)

(Cr₂O₇)^-2

Dichromate (-2 ANION)

(HPO₄)^-2

Hydrogen Phosphate (-2 ANION)

(C₂O₄)^-2

Oxalate (-2 ANION)

O^-2

Oxide (-2 ANION)

(O₂)^-2

Peroxide (-2 ANION)

(SiO₃)^-2

Silicate (-2 ANION)

(SO₄)^-2

Sulfate (-2 ANION)

S^-2

Sulfide (-2 ANION)

(SO₃)^-2

Sulfite (-2 ANION)

(S₂O₃)^-2

Thiosulfate (-2 ANION)

(AsO₄)^-3

Arsenate (-3 ANION)

N^-3

Nitride (-3 ANION)

(PO₄)^-3

Phospate (-3 ANION)

P^-3

Phospide (-3 ANION)

(PO₃)^-3

Phospite (-3 ANION)