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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 1|Page 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. 2|Page 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. 3|Page 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 4|Page 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. 5|Page 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. 6|Page 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. 7|Page CHEMISTRY