Polyatomic Ions & VSEPR Geometries

Acetate

C2H3O2-

Carbonate

CO32-

Hydrogen carbonate

HCO3-

Hydroxide

OH-

Nitrite

NO2-

Nitrate

NO3-

Chromate

CrO42-

Dichromate

Cr2O72-

Phosphate

PO43-

Hydrogen Phosphate

HPO42-

Dihydrogen Phosphate

H2PO4-

Ammonium

NH4+

Hypochlorite

ClO-

Chlorite

ClO2-

Chlorate

ClO3-

Perchlorate

ClO4-

Permanganate

MnO4-

Sulfite

SO32-

Hydrogen Sulfite

HSO3-

Sulfate

SO42-

Hydrogen sulfate

HSO4-

Cyanide

CN-

Peroxide

O22-

Linear

Electron Geometry with 2 Electron Groups

Trigonal Planar

Electron Geometry with 3 Electron Groups

Bent

Molecular Geometry with 3 Electron Groups and 1 Lone Pair

Tetrahedral

Electron Geometry with 4 Electron Groups

Trigonal Pyramidal

Molecular Geometyr with 4 Electron Groups and 1 Lone Pair

Bent

Molecular Geometry with 4 Electron Groups and 2 Lone Pairs

Trigonal Bipyramidal

Electron Geometry with 5 Electron Groups

SeeSaw

Molecular Geometry with 5 Electron Groups and 1 Lone Pair

T-Shaped

Molecular Geometry with 5 Electron Groups and 2 Lone Pairs

Linear

Molecular Geometry with 5 Electron Groups and 3 Lone Pairs

Octahedral

Electron Geometry with 6 Lone Pairs

Square Pyramidal

Molecular Geometry for 6 Electron Groups and One Lone Pair

Square Planar

Molecular Geometry for 6 Electron Groups and Two Lone Pairs