3. SiI4 - use a black ball for silicon when constructing this model Total # of Valence Electrons: 3-D Model Sketch Lewis Structure (show all resonance structures if applicable) Any polar bonds in the molecule? Yes No 4. HCN Total # of Valence Electrons: Lewis Structure (show all resonance structures if applicable) Any polar bonds in the molecule? Yes No Molecular Shape: Molecular Polarity: 3-D Model Sketch Molecular Shape: Molecular Polarity: Polar Polar Bond Angles Non-Polar Bond Angles Non-Polar

General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
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Chapter5: Chemical Bonding: The Covalent Bond Model
Section: Chapter Questions
Problem 5.88EP: Successive substitution of F atoms for H atoms in the molecule NH3 produces the molecules NH2F,...
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Examples:
H-N-
H— -H
H-Z:
Examples:
●●
lone pair
н
-bond pair (2 e-)
single bond
Example:
H:CI:
is better represented as
closer to Cl due to its greater electronegativity. Thus, HCl contains a polar covalent bond.
:F:
Non-Polar
::
8+ HCl:
H
:F:
lone pair
H
Polar
8-
2 bond pairs (4 e-)
double bond
`H
because the bond electrons are pulled
::
:F
:F
Polar
::
●●
Transcribed Image Text:Examples: H-N- H— -H H-Z: Examples: ●● lone pair н -bond pair (2 e-) single bond Example: H:CI: is better represented as closer to Cl due to its greater electronegativity. Thus, HCl contains a polar covalent bond. :F: Non-Polar :: 8+ HCl: H :F: lone pair H Polar 8- 2 bond pairs (4 e-) double bond `H because the bond electrons are pulled :: :F :F Polar :: ●●
3. Sil – use a black ball for silicon when constructing this model
Total # of Valence Electrons:
3-D Model Sketch
Lewis Structure (show all resonance structures if applicable)
Any polar bonds in the molecule? Yes No
4. HCN
Total # of Valence Electrons:
Lewis Structure (show all resonance structures if applicable)
Any polar bonds in the molecule? Yes No
Molecular Shape:
Molecular Polarity:
3-D Model Sketch
Molecular Shape:
Molecular Polarity:
Polar
Polar
Bond Angles
Non-Polar
Bond Angles
Non-Polar
Transcribed Image Text:3. Sil – use a black ball for silicon when constructing this model Total # of Valence Electrons: 3-D Model Sketch Lewis Structure (show all resonance structures if applicable) Any polar bonds in the molecule? Yes No 4. HCN Total # of Valence Electrons: Lewis Structure (show all resonance structures if applicable) Any polar bonds in the molecule? Yes No Molecular Shape: Molecular Polarity: 3-D Model Sketch Molecular Shape: Molecular Polarity: Polar Polar Bond Angles Non-Polar Bond Angles Non-Polar
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