Quick review on Chemical Bonding (Lewis structure)
Ionic Bonding
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Ionic Bonding Diagrams
Draw orbital diagrams and Lewis structures to show how the following pairs of elements can combine. In each case,
write the chemical formula for the product.
a. K and Cl
b. Na and N
Covalent Bonding
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Lewis Structures
Lewis Molecule
Quick review on Chemical Bonding (Lewis structure)
Revision Molecules
Cl2
O2
N2
NH3
CH2O
SiO2
More Complicated Molecules
Draw the Lewis structure for the ammonium ion, NH4+.
Co-ordinate covalent bond:___________________________________________________________________________
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Draw the Lewis structure for the molecule sulfur dioxide, SO2
Resonance Structure:________________________________________________________________________________
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Quick review on Chemical Bonding (Lewis structure)
Draw Lewis structures for each of the following ions. (Note: Consider resonance structures.)
(a) CO32−
(b) NO+
(c) ClO3−
(d) SO32−
Thinking…
Although Group 18 (VIIIA) elements are inactive, chemists are able to synthesize compounds of several noble gases,
including Xe. Draw a Lewis structure for the XeO4 molecule. Indicate if co-ordinate covalent bonding is likely a part of the
bonding in this molecule.
Violations of the Octet Rule
Octet Rule:________________________________________________________________________________________
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PCl5
BF3
Quick review on Chemical Bonding (Lewis structure)
Draw Lewis structures for the following molecules.
a. SF6
b. BrF5
c. XeF4
d. PF5