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Polyatomic Ions, Geometries, and Nomenclature
Polyatomic Ions with names and formulas (with charges), electron and molecular geometry based on electron groups, and how to name your formulas and vice versa.
26
Chemistry
Undergraduate 1
10/18/2010
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Term
Ammonium
 Definition
NH4+
Term
Acetate
 Definition
C2H3O2-
Term
Carbonate
 Definition
CO32-
Term
Cyanide
 Definition
CN-
Term
Hydroxide
 Definition
OH-
Term
Nitrate
 Definition
NO3-
Term
Nitrite
 Definition
NO2-
Term
Sulfate
 Definition
SO42-
Term
Sulfite
 Definition
SO32-
Term
Phosphite
 Definition
PO33-
Term
Phosphate
 Definition
PO43-
Term
Perchlorate
 Definition
ClO4-
Term
Chlorate
 Definition
ClO3-
Term
Permanganate
 Definition
MnO4-
Term

Hydrogen Carbonate

(Bicarbonate)

 Definition
HCO3-
Term
Dichromate
 Definition
Cr2O72-
Term

Electron: Linear

Molecular: Linear

 Definition

Electron Groups: 2

Bonding Groups: 2

Lone Pairs: 0
Term

Electron: Trigonal Planar

Molecular: Trigonal Planar

 Definition

Electron Groups: 3

Bonding Groups: 3

Lone Pairs: 0
Term

Electron: Trigonal Planar

Molecular: Bent

 Definition

Electron Groups: 3

Bonding Groups: 2

Lone Pairs: 1
Term

Electron: Tetrahedral

Molecular: Tretrahedral

 Definition

Electron Groups: 4

Bonding Groups: 4

Lone Pairs: 0
Term

Electron: Tetrahedral

Molecular: Trigonal Pyramidal

 Definition

Electron Groups: 4

Bonding Groups: 3

Lone Pairs: 1
Term

Electron: Tetrahedral

Molecular: Bent

 Definition

Electron Groups: 4

Bonding Groups: 2

Lone Pairs: 2
Term
Ionic
 Definition
metal[metal #] + name-ide
Term
Molecular
 Definition
prefix-name + prefix-name-ide
Term
Acids (Binary)
 Definition
hydro-name-ic + acid
Term
Acids (Oxyacids)
 Definition

ate: name-ic + acid

ite: name-ous + acid
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