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common polyatomic ions and shapes
polyatomic ions and molecular shapes
40
Chemistry
Undergraduate 1
10/10/2012

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Cards

Term
NH4+
Definition
AMMONIUM
Term
CH3CO2-
Definition
ACETATE
Term
CN-
Definition
CYANIDE
Term
ClO-
Definition
HYPOCHLORITE
Term
ClO2-
Definition
CHLORITE
Term
ClO3-
Definition
CHLORATE
Term
ClO4-
Definition
PERCHLORATE
Term
H2PO4-
Definition
Dihydrogen Phosphate
Term
HCO3-
Definition

Hydrogen carbonate

(bicarbonate)

Term
HSO4-
Definition

Hydrogen sulfate

(bisulfate)

Term
OH-
Definition
Hydroxide
Term
MnO4-
Definition
Permanganate
Term
NO2-
Definition
Nitrite
Term
NO3-
Definition
Nitrate
Term
CO32-
Definition
Carbonate
Term
CrO42-
Definition
Chromate
Term
Cr2O72-
Definition
Dichromate
Term
O22-
Definition
Peroxide
Term
HPO42-
Definition
Hydrogen phosphate
Term
SO32-
Definition
Sulfite
Term
SO42-
Definition
Sulfate
Term
S2O32-
Definition
Thiosulfate
Term
PO43-
Definition
Phosphate
Term
Doubly charged anions
Definition

Carbonate

Chromate

Dichromate

Peroxide

Hydrogen Phosphate

Sulfite

Sulfate

Thiosulfate

Term
Triply charged anion
Definition
Phosphate
Term
Cation
Definition
Ammonium
Term
2 DOMAINS
Definition
Linear
Domains are 180 degrees apart
Term
3 DOMAINS
Definition
Trigonal planar
Domains are 120 degrees apart
Term
4 DOMAINS
Definition
Tetrahedral
Domains are 109.5 degrees apart
Term
5 DOMAINS
Definition
Trigonal bipyramidal structure
-Equatorial domains are 120 degrees apart
-Axial domains are 90 degrees from the equatorial
Term
6 DOMAINS
Definition
Octahedral
Domains are 90 degrees apart all the way around
Term
3 Electron domains based on trigonal planar with 2 of 3 bonds
Definition
Bent
Term
4 Electron domains based on tetrahedral with 3 of 4 bonds
Definition
trigonal planar
Term
4 Electron domains based on tetrahedral with 2 of 4 bonds
Definition
Bent
Term
5 Electron domains based on trigonal bipyramidal with 4 of 5
Definition
Seesaw
Term
5 Electron domains based on trigonal bipyramidal with 3 of 5
Definition
T-shaped
Term
5 Electron domains based on trigonal bipyramidal with 2 of 5
Definition
Linear
Term
6 Electron domains based on octahedral with 5 of 6
Definition
Square pyramid
Term
6 Electron domains based on octahedral with 4 of 6
Definition
square planar
Term
what are bond angles in trigonal pyramid geometry and why?
Definition
less than 109.5 degrees becauase of non-bonding pairs repel more and take more room
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