Negative Ions (Anions)

name of a monatomic anion consists of the stem of the element name, the suffix -ide, and then the word ion.

Group IVA ions

Carbide (Carbon), Silicide (Silicon)

Group VA ions

Nitride (Nitrogen), Phosphide (Phosphorus)

Group VIA ions

Oxide (Oxygen), Sulfide (Sulfur)

Group VIIA Ions

Fluoride (Fluorine), Chloride (Chlorine), Bromide (Bromine), Iodide (Iodine)

Group IA ions

Hydride (Hydrogen)

Chlorate

ClO3^-

Chlorite

ClO2^-

Hypochlorite

ClO^-

Perchlorate

ClO4^-

Hypobromite

BrO^-

Bromite

BrO2^-

Bromate

BrO3^-

Perbromate

BrO4^-

Hypoiodite

IO^-

Iodite

IO2^-

Iodate

IO3^-

Periodate

IO4^-

Peroxide

O2^2-

Hydroxide

OH^-

Carbonate

CO3^2-

Hydrogen carbonate/Bicarbonate

HCO3^-

Monohydrogen phosphate

HPO4^2-

Dihydrogen phosphate

Arsenite

AsO3^3-

Arsenate

AsO4^3-

Chromate

CrO4^2-

Dichromate

Cr2O7^2-

Phosphite

PO3^3-

Phosphate

PO4^3-

Acetate

C2H3O2^-

Cyanide

CN^-

Thiocyanate

SCN^-

Cyanate

OCN^-

Nitrite

NO2^-

Nitrate

NO3^-

Sulfite

SO3^2-

Sulfate

SO4^2-

Thiosulfate

S2O3^2-

Permanganate

MnO4^-

Oxalate

C2O4^2-

Phthalate

C8H4O4^2-

Silicate

SiO4^4-

Borate

BO3^3-

Mono-

1

Di-

2

Tri-

3

Tetra-

4

Penta-

5

Hexa-

6

Hepta-

7

Octa-

8

Nona-

9

Deca-

10