Experience Chemistry: Ions

Monatomic and polyatomic ions to know

Li⁺

Lithium ion

Na⁺

Sodium ion

K⁺

Potassium ion

Rb⁺

Rubidium ion

Cs⁺

Cesium ion

Fr⁺

Francium ion

Be²⁺

Beryllium ion

Mg²⁺

Magnesium ion

Ca²⁺

Calcium ion

Sr²⁺

Strontium ion

Ba²⁺

Barium ion

Ra²⁺

Radium ion

Fe²⁺

Iron(II) ion

Fe³⁺

Iron(III) ion

Cu⁺

Copper(I) ion

Cu²⁺

Copper(II) ion

N³⁻

Nitride ion

P³⁻

Phosphide ion

As³⁻

Arsenide ion

O²⁻

Oxide ion

S²⁻

Sulfide ion

Se²⁻

Selenide ion

Te²⁻

Telluride ion

F⁻

Fluoride ion

Cl⁻

Chloride ion

Br⁻

Bromide ion

I⁻

Iodide ion

NO₂⁻

Nitrite ion

NO₃⁻

Nitrate ion

CN⁻

Cyanide ion

OH⁻

Hydroxide ion

HCO₃⁻

Hydrogen carbonate ion

H₂PO₄⁻

Dihydrogen phosphate ion

HSO₃⁻

Hydrogen sulfite ion

HSO₄⁻

Hydrogen sulfate ion

ClO₂⁻

Chlorite ion

ClO₃⁻

Chlorate ion

SO₃²⁻

Sulfite ion

SO₄²⁻

Sulfate ion

CO₃²⁻

Carbonate ion

CrO₄²⁻

Chromate ion

Cr₂O₇²⁻

Dichromate ion

HPO₃²⁻

Hydrogen phosphate ion

PO₃³⁻

Phosphite ion

PO₄³⁻

Phosphate ion

NH₄⁺

Ammonium ion