Nomenclatures

NH₄⁺

Ammonium ion, a positively charged polyatomic ion consisting of one nitrogen atom and four hydrogen atoms.

CN⁻

Cyanide ion, a negatively charged ion made up of one carbon atom triple-bonded to one nitrogen atom.

OH⁻

Hydroxide ion, a negatively charged ion formed from one oxygen atom and one hydrogen atom.

C₂H₃O₂⁻

Acetate ion, a negatively charged ion represented as CH₃COO⁻, consisting of two carbon atoms, three hydrogen atoms, and two oxygen atoms.

NO₃⁻

Nitrate ion, a negatively charged ion composed of one nitrogen atom bonded to three oxygen atoms.

NO₂⁻

Nitrite ion, a negatively charged ion containing one nitrogen atom bonded to two oxygen atoms.

ClO₄⁻

Perchlorate ion, a negatively charged ion that consists of one chlorine atom bonded to four oxygen atoms.

ClO₃⁻

Chlorate ion, a negatively charged ion composed of one chlorine atom bonded to three oxygen atoms.

ClO₂⁻

Chlorite ion, a negatively charged ion made up of one chlorine atom bonded to two oxygen atoms.

ClO⁻

Hypochlorite ion, a negatively charged ion consisting of one chlorine atom bonded to one oxygen atom.

MnO₄⁻

Permanganate ion, a negatively charged ion consisting of one manganese atom bonded to four oxygen atoms.

SCN⁻

Thiocyanate ion, a negatively charged polyatomic ion consisting of one sulfur atom, one carbon atom, and one nitrogen atom.

CSN⁻

Isothiocyanate ion, a negatively charged ion containing one carbon atom, one sulfur atom, and one nitrogen atom.

N₃⁻

Azide ion, a negatively charged ion comprised of three nitrogen atoms connected linearly.

SO₄²⁻

Sulfate ion, a doubly negatively charged ion made up of one sulfur atom and four oxygen atoms.

SO₃²⁻

Sulfite ion, a doubly negatively charged ion composed of one sulfur atom and three oxygen atoms.

CO₃²⁻

Carbonate ion, a doubly negatively charged ion comprised of one carbon atom and three oxygen atoms.

O₂²⁻

Peroxide ion, a doubly negatively charged ion containing two oxygen atoms bonded together.

CrO₄²⁻

Chromate ion, a doubly negatively charged ion composed of one chromium atom and four oxygen atoms.

Cr₂O₇²⁻

Dichromate ion, a doubly negatively charged ion consisting of two chromium atoms and seven oxygen atoms.

C₂O₄²⁻

Oxalate ion, a doubly negatively charged ion containing two carbon atoms and four oxygen atoms.

PO₄³⁻

Phosphate ion, a triply negatively charged ion made of one phosphorus atom and four oxygen atoms.

PO₃³⁻

Phosphite ion, a triply negatively charged ion consisting of one phosphorus atom and three oxygen atoms.

AsO₄³⁻

Arsenate ion, a triply negatively charged ion comprising one arsenic atom and four oxygen atoms.

BO₃³⁻

Borate ion, a triply negatively charged ion made up of one boron atom and three oxygen atoms.