Chemistry polyatomic ions and molecular geometry

phosphate

PO₄^3-

carbonate

CO₃^2-

sulfate

SO₄^2-

sulfite

SO₃^2-

thiosulfate

S₂O₃^2-

chromate

CrO₄^2-

dichromate

Cr₂O₇^2-

peroxide

O₂^2-

hydrogen phosphate

HPO₄^2-

Acetate

C₂H₃O₂^-

Bicarbonate

HCO₃^-

bisulfate

HSO₄^-

cyanide

CN^-

hydroxide

OH^-

hypochlorite

ClO^-

chlorite

ClO₂^-

chlorate

ClO₃^-

perchlorate

ClO₄^-

nitrate

NO₃^-

permanganate

MnO₄^-

dihydrogen phosphate

H₂PO₄^-

ammonium

NH₄⁺

hydronium

H₃O⁺

linear degrees

180

trigonal planar degrees

120

bent degrees

120

tetrahedral degrees

109.5

trigonal pyramidal degrees

109.5

bent degrees

120

trigonal bipyramidal degrees

180,120,90

seesaw degrees

<90, <120, <180

t-shaped degrees

<90,180

octahedral degrees

180,90

square pyramidal degrees

90

square planar degrees

90

linear molecular geometry

AB₂E₀

AB₂E₃

trigonal planar molecular geometry

AB₃E₀

bent molecular geometry

AB₂E₁

AB₂E₂

tetrahedral molecular geometry

AB₄E₀

trigonal pyramidal molecular geometry

AB₃E₁

trigonal bipyramidal molecular geometry

AB₅E₀

seesaw molecular geometry

AB₄E₁

T-shaped molecular geometry

AB₃E₂

octahedral molecular geometry

AB₆E₀

square pyramidal molecular geometry

AB₅E₁

square planar molecular geometry

AB₄E₂