Lewis Dot Diagrams (Structures) For Atoms And Ions Predicting Oxidation Numbers Worksheet Page 2

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Determine the common oxidation number (charge) for each of the following ions, and then draw
their Lewis Dot Structure. Don’t forget to show brackets and charge on your LDS for ions!
**Note: Notice that non-metals get the –ide ending to their names when they become an ion.
Aluminum ion
Silicon ion
Potassium ion
Fluoride ion
Sulfide ion
Carbide ion
Hydrogen ion
Cesium ion
Bromide ion
Selenide ion
Nitride ion
Barium ion
Chloride ion
Gallium ion
Zinc ion
Predict the common oxidation numbers for each of the following elements when they form ions
(there may be more than one):
Element
Common Oxidation
Element
Common Oxidation
number(s)
number(s)
Rubidium
Sulfur
Arsenic
Bismuth
Strontium
Tin
Cadmium
Phosphorous
Zinc
Silver
Lead
Bromine
Iron
Gallium (#31)
PAP CHEM 2009

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