Formulas of Ionic Compounds – Common Ions

Vocabulary flashcards covering the common monatomic and polyatomic cations and anions listed in the lecture notes, including their formulas, systematic/common names, and charges.

Li⁺

Lithium ion, charge 1⁺

Na⁺

Sodium ion, charge 1⁺

K⁺

Potassium ion, charge 1⁺

Rb⁺

Rubidium ion, charge 1⁺

Cs⁺

Cesium ion, charge 1⁺

Be²⁺

Beryllium ion, charge 2⁺

Mg²⁺

Magnesium ion, charge 2⁺

Ca²⁺

Calcium ion, charge 2⁺

Sr²⁺

Strontium ion, charge 2⁺

Ba²⁺

Barium ion, charge 2⁺

Al³⁺

Aluminum ion, charge 3⁺

Ga³⁺

Gallium ion, charge 3⁺

Cu⁺

Copper(I) ion (cuprous), charge 1⁺

Ag⁺

Silver ion, charge 1⁺

Cu²⁺

Copper(II) ion (cupric), charge 2⁺

Cr²⁺

Chromium(II) ion, charge 2⁺

Cr³⁺

Chromium(III) ion, charge 3⁺

Mn²⁺

Manganese(II) ion, charge 2⁺

Mn³⁺

Manganese(III) ion, charge 3⁺

Fe²⁺

Iron(II) ion (ferrous), charge 2⁺

Fe³⁺

Iron(III) ion (ferric), charge 3⁺

Co²⁺

Cobalt(II) ion, charge 2⁺

Co³⁺

Cobalt(III) ion, charge 3⁺

Ni²⁺

Nickel(II) ion, charge 2⁺

Zn²⁺

Zinc ion, charge 2⁺

Cd²⁺

Cadmium ion, charge 2⁺

Hg₂²⁺

Mercury(I) ion (mercurous), charge 2⁺ (diatomic cation)

Hg²⁺

Mercury(II) ion (mercuric), charge 2⁺

Sn²⁺

Tin(II) ion (stannous), charge 2⁺

Pb²⁺

Lead(II) ion (plumbous), charge 2⁺

NH₄⁺

Ammonium ion, charge 1⁺

H₃O⁺

Hydronium ion, charge 1⁺

H⁺

Hydrogen ion (proton), charge 1⁺

F⁻

Fluoride ion, charge 1⁻

Cl⁻

Chloride ion, charge 1⁻

Br⁻

Bromide ion, charge 1⁻

I⁻

Iodide ion, charge 1⁻

O²⁻

Oxide ion, charge 2⁻

S²⁻

Sulfide ion, charge 2⁻

N³⁻

Nitride ion, charge 3⁻

P³⁻

Phosphide ion, charge 3⁻

OH⁻

Hydroxide ion, charge 1⁻

CN⁻

Cyanide ion, charge 1⁻

H⁻

Hydride ion, charge 1⁻

SCN⁻

Thiocyanate ion, charge 1⁻

ClO₄⁻

Perchlorate ion, charge 1⁻

ClO₃⁻

Chlorate ion, charge 1⁻

ClO₂⁻

Chlorite ion, charge 1⁻

ClO⁻

Hypochlorite ion, charge 1⁻

BrO₃⁻

Bromate ion, charge 1⁻

BrO₂⁻

Bromite ion, charge 1⁻

BrO⁻

Hypobromite ion, charge 1⁻

IO₄⁻

Periodate ion, charge 1⁻

IO₃⁻

Iodate ion, charge 1⁻

CO₃²⁻

Carbonate ion, charge 2⁻

SO₄²⁻

Sulfate ion, charge 2⁻

SO₃²⁻

Sulfite ion, charge 2⁻

PO₄³⁻

Phosphate ion, charge 3⁻

CrO₄²⁻

Chromate ion, charge 2⁻

Cr₂O₇²⁻

Dichromate ion, charge 2⁻

MnO₄⁻

Permanganate ion, charge 1⁻

C₂O₄²⁻

Oxalate ion, charge 2⁻

O₂²⁻

Peroxide ion, charge 2⁻

NO₃⁻

Nitrate ion, charge 1⁻

NO₂⁻

Nitrite ion, charge 1⁻

HCO₃⁻

Hydrogen carbonate (bicarbonate) ion, charge 1⁻

HS⁻

Hydrogen sulfide ion, charge 1⁻

HSO₄⁻

Hydrogen sulfate (bisulfate) ion, charge 1⁻

HSO₃⁻

Hydrogen sulfite (bisulfite) ion, charge 1⁻

HPO₄²⁻

Hydrogen phosphate ion, charge 2⁻

H₂PO₄⁻

Dihydrogen phosphate ion, charge 1⁻