1. Bonding Chapter 13 (part 1) E-mail: benzene4president@gmail.com
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2. Bonding – ch 13
1. Rank the following in order of increasing electronegativity: a. Cl Br I
b. Al Si P

3. Bonding – ch 13
2. Rank the following bonds in order of increasing polarity:
C-O C-Br C-S

4. Bonding – ch 13 3. Fill in the following table: Substance
# of Valence electrons
Lewis Structure
ClO4-
H2CO
SO2
HCN
ICl3
XeF4

5. Ave. Bond Energy (kJ/mol)
Bonding – ch 13
4. Estimate the value of ΔH for the following reactions: a.
b. CH4 (g) Cl2 (g)  CCl4 (g) + 4 HCl (g)
Bond
Ave. Bond Energy (kJ/mol)
N–H
391
C–Cl
339
C–H
413
N–N
160
Cl–Cl
239
N=N
418
H–Cl
427
N≡N
941
F–F
154
H–F
565

6. Bonding – ch 13
5. Compare the relative stabilities of the resonance structures for SCN-

7. Bonding – ch 13
6. Rank the following in order of relative carbon oxygen bond length:
CH3OH CO CO2 CO32-