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

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.


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.


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


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.


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.


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