Anions

Monovalent Ions

Ions with a charge of -1.

Fluoride

F⁻, a monovalent ion derived from fluorine.

Chloride

Cl⁻, a monovalent ion derived from chlorine.

Bromide

Br⁻, a monovalent ion derived from bromine.

Iodide

I⁻, a monovalent ion derived from iodine.

Hydride

H⁻, a monovalent ion derived from hydrogen.

Hydroxide

OH⁻, a monovalent ion consisting of oxygen and hydrogen.

Nitrite

NO₂⁻, a monovalent ion containing nitrogen and oxygen.

Nitrate

NO₃⁻, a monovalent ion containing nitrogen and three oxygen atoms.

Manganate (VII)

MnO₄⁻, a monovalent ion containing manganese and oxygen.

Hydrogen Sulphate

HSO₄⁻, a monovalent ion containing hydrogen, sulfur, and oxygen.

Hydrogen Carbonate

HCO₃⁻, a monovalent ion containing hydrogen, carbon, and oxygen.

Ethanoate

CH₃COO⁻, a monovalent ion derived from acetic acid.

Divalent Ions

Ions with a charge of -2.

Oxide

O²⁻, a divalent ion derived from oxygen.

Sulphide

S²⁻, a divalent ion derived from sulfur.

Carbonate

CO₃²⁻, a divalent ion containing carbon and oxygen.

Sulphite

SO₃²⁻, a divalent ion containing sulfur and oxygen.

Sulphate

SO₄²⁻, a divalent ion containing sulfur and four oxygen atoms.

Dichromate (VI)

Cr₂O₇²⁻, a divalent ion containing chromium and oxygen.

Trivalent Ions

Ions with a charge of -3.

Nitride

N³⁻, a trivalent ion derived from nitrogen.

Phosphite

PO₄³⁻, a trivalent ion containing phosphorus and oxygen.