Chemistry 11 (Hall)
Bonding Test Review
1. Determine of each of the following compounds is ionic or covalent:
Na
2
O, CaSO
4
, SiCl
4
, Cu
3
PO
4
, Sn
3
(PO
4
)
2
, C
2
H
6
, WF
6
, XeF
4
, P(CH
3
)
3
, N
2
H
4
, S
4
N
4
, SrCO
3
2. Consider your knowledge of intermolecular forces and use it to explain the change in values for the boiling point of the Group
17 hydrides.
3. Draw the Lewis structure for each molecule in question 1.
4. Explain why BeCl
2
is non polar while SCl
2
is considered polar.
Molecule
HF
HCl
HBr
HI
Boiling Point °C
19.5 °C
-85.1 °C
-66.4 °C
-34.4 °C
5. Draw the Lewis Structure for each of the following molecules or polyatomic ions:
ICl
3
, H
2
O
2
, SiCl
4
, BH
3
, N
2
O, SO
2
, SO
42-
, PO
43-
, CO, CH
2
Cl
2
, H
2
Te, C
2
Cl
4
, S
8
, CH
3
CH
2
OH, (CH
3
)
3
SiNH
2
,
HCOH
6. State the VSEPR shape for each species in Question 5.
7. State the polarity (polar or non-polar) for each species in Question 6.
8. Explain why Strontium is more likely to form an ionic compound than Beryllium even though they are both in Group 2.
9. Each of the following pairs will undergo co-ordinate bonding, draw the final product.
BH
3
, H ; GaCl
3
, Cl ; H
2
O, H + ; P(CH
3
)
3
, TlF
3
; NH
3
, BF
3
10. Draw a molecule or polyatomic ion that has 4 atoms and 24 valence electrons.
11. What is wrong with the following Lewis Structure?
12. What is the bond angle in a tetrahedral molecule?
13. What is the bond angle in a trigonal pyramidal molecule and what causes this shift?
14. What is the bond angle in a bent molecule and what causes this further shift?
15. Write the 3 step process for the formation of SrF
2
, then write the full electronic configuration for Sr, F before AND after the ionization process. What would be the value of each quantum number (n, l , m l
, m s
) for the Sr 2+ and F ions.
16. Carbon has 6 total electrons while Silicon has 14, why is it that each still will only make 4 covalent bonds?
17. Draw the 3 equivalent Lewis structures for the carbonate ion and explain why the bond order can be considered 1.333.

Chemistry 11 (Hall)
Bonding Test Review
1. Determine of each of the following compounds is ionic or covalent:
Na
2
O, CaSO
4
, SiCl
4
, Cu
3
PO
4
, Sn
3
(PO
4
)
2
, C
2
H
6
, WF
6
, XeF
4
, P(CH
3
)
3
, N
2
H
4
, S
4
N
4
, SrCO
3
2. Consider your knowledge of intermolecular forces and use it to explain the change in values for the boiling point of the Group
17 hydrides.
3. Draw the Lewis structure for each molecule in question 1.
4. Explain why BeCl
2
is non polar while SCl
2
is considered polar.
Molecule
HF
HCl
HBr
HI
Boiling Point °C
19.5 °C
-85.1 °C
-66.4 °C
-34.4 °C
5. Draw the Lewis Structure for each of the following molecules or polyatomic ions:
ICl
3
, H
2
O
2
, SiCl
4
, BH
3
, N
2
O, SO
2
, SO
42-
, PO
43-
, CO, CH
2
Cl
2
, H
2
Te, C
2
Cl
4
, S
8
, CH
3
CH
2
OH, (CH
3
)
3
SiNH
2
,
HCOH
6. State the VSEPR shape for each species in Question 5.
7. State the polarity (polar or non-polar) for each species in Question 6.
8. Explain why Strontium is more likely to form an ionic compound than Beryllium even though they are both in Group 2.
9. Each of the following pairs will undergo co-ordinate bonding, draw the final product.
BH
3
, H ; GaCl
3
, Cl ; H
2
O, H + ; P(CH
3
)
3
, TlF
3
; NH
3
, BF
3
10. Draw a molecule or polyatomic ion that has 4 atoms and 24 valence electrons.
11. What is wrong with the following Lewis Structure?
12. What is the bond angle in a tetrahedral molecule?
13. What is the bond angle in a trigonal pyramidal molecule and what causes this shift?
14. What is the bond angle in a bent molecule and what causes this further shift?
15. Write the 3 step process for the formation of SrF
2
, then write the full electronic configuration for Sr, F before AND after the ionization process. What would be the value of each quantum number (n, l , m l
, m s
) for the Sr 2+ and F ions.
16. Carbon has 6 total electrons while Silicon has 14, why is it that each still will only make 4 covalent bonds?
17. Draw the 3 equivalent Lewis structures for the carbonate ion and explain why the bond order can be considered 1.333.