List the Tables:

The tables listed below list common polyatomic ions that you will be usingthroughout this General-centregalilee.com laboratory series (Chem 151-152). These ions areseparated by fee on the ion into four (4) different tables and provided alphabeticallywithin every table. Because that each polyatomic ion, the name, chemical formula, two-dimensionaldrawing, and also three-dimensional representation are given.

The three-dimensional structures are drawn as CPK models. CPK structuresrepresent the atoms as spheres, where the radius that the sphere is same to the valve derWaals radius the the atom; these structures offer an almost right volume of the polyatomicion. In these tables, the three-dimensional structures have actually all been drawn to the samescale; as such you can compare their family member sizes. In addition, the atom in the CPKstructures have actually been color-coded to match the two-dimensional illustrations for easiercomparison.

To check out the ion interactively, please use RASMOL,a computer application which is accessible for both Macs and also PCs and also can be downloaded atthe RASMOL site. Come download the pdb papers (refers come the protein databank an approach ofsaving atomic collaborates for a molecule) because that viewing and rotating the ions listed in thetables below, please click the proper three-dimensional structure.


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(Note: If youwant to view multiple compound simultaneously, please download each pdb document and conserve onyour computer. Then open up RASMOL outside of Netscape.) NOTE: CPK sizes for metalatoms Cr and Mn will certainly be incorrect in RASMOL.

Table 1: Cations (+1 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Ammonium NH4+

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Hydronium H3O+
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Table 2: Anions (-1 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Bicarbonate HCO3-

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Cyanide CN-
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Hydrogen Sulfate HSO4-
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Hydroxide OH-
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Nitrate NO3-
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Nitrite NO2-
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Perchlorate ClO4-
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Permanganate MnO4-
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Table 3: Anions (-2 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Carbonate CO32-

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Chromate CrO42-
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Dichromate Cr2O72-
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Hydrogen Phosphate HPO42-
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Sulfate SO42-
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Sulfite SO32-
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Thiosulfate S2O32-
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Table 4: Anions (-3 Charge)

Ion

Two-Dimensional Structure

Three-Dimensional Representation

Phosphate PO43-

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