Lewis Dot Diagrams (Structures) For Atoms And Ions Predicting Oxidation Numbers Worksheet Page 3

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WKS 4-2 LDS for Ionic Compounds (2 pgs)
Fill in the chart below. You will need to determine how many of each ion you will need to form a
neutral formula unit (compound)
Cation LDS
Anion LDS
Algebra for neutral
IONIC COMPOUND
formula unit
LDS
••
••
••
• •
• •
• •
• •
Na•  [Na]
+
• •
Na +
x(+1) + y(-1) = 0
Cl  [ Cl ]
+
[Na]
[ Cl ]
••
••
••
Cl
1. K
+
F
2. Mg
+ I
3. Be
+ S
4. Na
+
O
5. Ga
+ S
PAP CHEM 2009

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