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NAME________________________________
PERIOD________
WKS 4-1- LEWIS DOT DIAGRAMS (STRUCTURES) FOR ATOMS AND IONS PREDICTING
OXIDATION NUMBERS (2 pages)
Classify the following compounds as ionic (metal or ammonium ion + non-metal or polyatomic
ion), covalent (nonmetal+ nonmetal).
CaCl
CO
H
O
2
2
2
BaSO
K
O
NaF
4
2
Na
CO
CH
SO
2
3
4
3
LiBr
MgO
NH
Cl
4
HCl
KI
NaOH
NO
AlPO
FeCl
2
4
3
P
O
N
O
CaCO
2
5
2
3
3
Draw Lewis dot structures for each of the following atoms:
Aluminum
Silicon
Potassium
Xenon
Sulfur
Carbon
Hydrogen
Helium (watch out!)
Bromine
Selenium
Nitrogen
Barium
Chlorine
Gallium
Argon
PAP CHEM 2009