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MR. SURRETTE
VAN NUYS HIGH SCHOOL
CHAPTER 17: COVALENT BONDING and BIOCHEMISTRY
WORKSHEET SOLUTIONS
1. Atoms form __________ bonds when they share their electrons evenly.
1A. covalent
2. It takes _____ electron(s) to form a single covalent bond.
2A. 2
3. Disaccharides are a type of:
3A. sugar
4. Out of the following choices, the shortest covalent bonds are __________ bonds.
4A. triple
5. The LDS diagram for __________ contains four electron dots.
5A. carbon
6. The LDS diagram for __________ contains two electron dots.
6A. beryllium
7. Lipids include oils, waxes, and:
7A. fats
8. These bonds involve a “fluid of electrons.”
8A. metallic
9. The LDS diagram for __________ contains one electron dot.
9A. hydrogen
10. The LDS diagram for __________ contains three electron dots.
10A. boron
11. The LDS diagram for __________ contains eight electron dots.
11A. argon
12. NH3 has _____ covalent bond(s).
12A. 3
13. HCl has _____ covalent bond(s).
13A. 1
14. All organic compounds contain:
14A. carbon
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CHEMISTRY
MR. SURRETTE
VAN NUYS HIGH SCHOOL
15. CH4 has __________ covalent bonds.
15A. single
16. P2 has __________ covalent bonds.
16A. triple
17. Groups of amino acids make up:
17A. proteins
18. Peptide bonds form between:
18A. amino acids
19. Draw the LDS diagram for aluminum.
19A.
20. Draw the structural diagram for F2.
20A.
21. Two oxygen and one carbon atom combine to form carbon dioxide. Complete the following steps
to construct a structural diagram for CO2.
21a. Draw the LDS diagrams for oxygen and carbon.
A.
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CHEMISTRY
MR. SURRETTE
VAN NUYS HIGH SCHOOL
21b. Show the sharing of electrons to form carbon dioxide.
A.
21c. Draw the LDS diagram for carbon dioxide.
A.
21d. Draw the structural diagram for carbon dioxide.
A.
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CHEMISTRY
MR. SURRETTE
VAN NUYS HIGH SCHOOL
CHAPTER 17: COVALENT BONDING and BIOCHEMISTRY
QUIZ SOLUTIONS
1. Atoms form __________ bonds when they share their electrons evenly.
1A. covalent
2. Out of the following elements, only __________ does not follow the octet rule.
(A) oxygen
(B) carbon
(C) hydrogen
(D) nitrogen
3. It takes _____ electron(s) to form a double covalent bond.
3A. 4
4. Out of the following choices, the shortest covalent bonds are __________ bonds.
(A) single
(B) triple
(C) double
(D) polar
5. The LDS diagram for __________ contains four electron dots.
5A. carbon
6. The LDS diagram for __________ contains one electron dot.
6A. hydrogen
7. The LDS diagram for __________ contains five electron dots.
7A. phosphorus
8. The LDS diagram for __________ contains six electron dots.
8A. oxygen
9. The LDS diagram for __________ contains eight electron dots.
9A. argon
10. CF4 has _____ covalent bond(s).
10A. 4
11. NH3 has _____ covalent bond(s).
11A. 3
12. CCl4 has __________ covalent bonds.
12A. single
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CHEMISTRY
MR. SURRETTE
VAN NUYS HIGH SCHOOL
13. CO2 has __________ covalent bonds.
13A. double
14. N2 has __________ covalent bonds.
14A. triple
15. SiO2 has __________ covalent bonds.
15A. double
16. Disaccharides are a type of:
16A. sugar
17. Groups of amino acids make up:
17A. proteins
18. Lipids include oils, waxes, and:
18A. fats
19. These bonds involve a “fluid of electrons.”
19A. metallic
20. All organic compounds contain:
20A. carbon
21. Draw the LDS diagram for boron.
21A.
22. Complete the following steps and construct an LDS diagram for beryllium chloride.
22a. Draw LDS diagrams for beryllium and chlorine.
A.
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CHEMISTRY
MR. SURRETTE
VAN NUYS HIGH SCHOOL
22b. Show the transfer of electrons that forms beryllium chloride.
A.
22c. Draw the LDS diagram for beryllium chloride.
A.
23. Draw the structural diagram for Cl2.
23A.
24. Draw the structural diagram for NH3.
24A.
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CHEMISTRY
MR. SURRETTE
VAN NUYS HIGH SCHOOL
25. Four hydrogen and one silicon atom combine to form the SiH4 molecule. Complete the following
steps to construct a structural diagram for SiH4.
25a. Draw the LDS diagrams for hydrogen and silicon.
A.
25b. Show the sharing of electrons to form SiH4.
A.
25c. Draw the LDS diagram for SiH4.
A.
25d. Draw the structural diagram for SiH4.
A.
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CHEMISTRY