monoatomic and polyatomic ions (anions)

name and structure

polyatomic ions

grp of 2/more ions covalently bonded together, acting as a single charged unit

monoatomic ions

single atoms w/ charges formed by losing or gaining electrons

anions

negatively charged ions that gain electrons (electron loving)

cation

positively charged ions that lose electrons (electron hating)

acetate

C₂H₃O₂⁻

amide

NH₂⁻

bicarbonate or hydrogen carbonate

HCO₃^-

bisulfate or hydrogen sulfate

HSO₄^-

bisulfite

HSO₃^-

bisulfide

HS^-

bromate

BrO₃⁻

bromite

BrO₂⁻

chlorate

ClO₃⁻

chlorite

ClO₂⁻

chloride

Cl^-

cyanide

OCN^-

cyanate

CN^-

flouride

F^-

Hydride

H^-

hydroxide

OH^-

peroxide

O₂^2-

hypochlorate

ClO^-

nitrate

NO₃^-

nitrite

NO₂^-

permanganate

MnO₄^-

perchlorate

ClO₄^-

thiocyanate

SCN^-

hypobromite

BrO^-

carbonate

CO₃²⁻

chromate

CrO₄²⁻

dichromate

Cr₂O₇²⁻

oxide

O²⁻

oxalate

C₂O₄²⁻

silicate

SiO₃²⁻

sulfide

S²⁻

sulfite

SO₃²⁻

sulfate

SO₄²⁻

tartrate

C₄H₄O₆²⁻

tetraborate

B₄O₇²⁻

thiosulfate

S₂O₃²⁻

arsenate

AsO₄³⁻

arsenite

AsO₃³⁻

citrate

C₆H₅O₇³⁻

ferricyanide

[Fe(CN)₆]³⁻

nitride

N³⁻

phosphate

PO₄³⁻

phosphite

PO₃³⁻

phosphide

P³⁻

arsenide

As^3-

borate

BO₃3-