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7. Which of the following has a molecular geometry of tetrahedral? B. CCl,F2 С. CS2 8. In which compound is hydrogen bonding found? A. SF2 D. C20 A. ammonia B. carbonic acid C. dolomite D. sodium chloride 9. How can a molecule become nonpolar if it contains polar bonds? A. If the molecules has a symmetrical geometry and has all bonds are the same, the bond dipoles cancel and the molecule is non polar. B. If the atoms are C or H only C. If the atoms have big electronegativity difference but are linear D. If atoms are not belong to the noble gases

7. Which of the following has a molecular geometry of tetrahedral? B. CCl,F2 С. CS2 8. In which compound is hydrogen bonding found? A. SF2 D. C20 A. ammonia B. carbonic acid C. dolomite D. sodium chloride 9. How can a molecule become nonpolar if it contains polar bonds? A. If the molecules has a symmetrical geometry and has all bonds are the same, the bond dipoles cancel and the molecule is non polar. B. If the atoms are C or H only C. If the atoms have big electronegativity difference but are linear D. If atoms are not belong to the noble gases

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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5. Why are valence electrons important in identifying the group of an element ? Because A. valence electrons can be described as the innermost shell of an atom B. valence electrons described the location of the electrons in the outermost shell of an atom C. valence electrons remains to its orbitals D. valence electrons are constant 6. Unlike other noble gases, helium has two electrons. What makes helium a noble gas or stable element? A.. According to octet rule, helium completed its electron on the outer shell B. Helium belongs to group 8A C. According to octet rule, helium is a non-metal D. According to Hund's helium occupied 1 box with 2 max electrons 7. Which of the following has a molecular geometry of tetrahedral? B. CCl,F2 D. C20 С. CS2 8. In which compound is hydrogen bonding found? A. ammonia B. carbonic acid A. SF2 C. dolomite D. sodium chloride 9. How can a molecule become nonpolar if it contains polar bonds? A. If the molecules has a symmetrical geometry and has all bonds are the same, the bond dipoles cancel and the molecule is non polar. B. If the atoms are C or H only C. If the atoms have big electronegativity difference but are linear D. If atoms are not belong to the noble gases 10. Many organic solvents boil below 200 °C because of covalent bonding, while solids, such as copper, do not melt until thousands of °C because the atoms form A. hydrogen bond B. polar bond 11. Which statement is correct about Isomerism? C. IONIC BOND vi D. NONPOLAR bond A. They differ in both physical and chemical properties. B. They have the different molecular formula. C. Chain isomers differ in the arrangement of their skeleton D. They have the same molecular formula. 12. What reaction takes place when a substance reacts with oxygen gas, releasing energy in the form of light and heat? C. Combustion D. Saponification A. Addition 200 1 B. Condensation 13. Which of the following would undergo addition reactions? A. halogen B. alkyne 14.Which of the following organic compound will form when a carboxylic acid and an alcohol undergo C. alkane D. alcohol condensation reaction? A. new C-C bond C. new N-O bond B. new O-C bond D. ester 15. Which of the following types of reaction happens when alkene reacts with water yields in the production of alcohol? A. Saponification B. Condensation C. Combustion D. Addition
Transcribed Image Text:5. Why are valence electrons important in identifying the group of an element ? Because A. valence electrons can be described as the innermost shell of an atom B. valence electrons described the location of the electrons in the outermost shell of an atom C. valence electrons remains to its orbitals D. valence electrons are constant 6. Unlike other noble gases, helium has two electrons. What makes helium a noble gas or stable element? A.. According to octet rule, helium completed its electron on the outer shell B. Helium belongs to group 8A C. According to octet rule, helium is a non-metal D. According to Hund's helium occupied 1 box with 2 max electrons 7. Which of the following has a molecular geometry of tetrahedral? B. CCl,F2 D. C20 С. CS2 8. In which compound is hydrogen bonding found? A. ammonia B. carbonic acid A. SF2 C. dolomite D. sodium chloride 9. How can a molecule become nonpolar if it contains polar bonds? A. If the molecules has a symmetrical geometry and has all bonds are the same, the bond dipoles cancel and the molecule is non polar. B. If the atoms are C or H only C. If the atoms have big electronegativity difference but are linear D. If atoms are not belong to the noble gases 10. Many organic solvents boil below 200 °C because of covalent bonding, while solids, such as copper, do not melt until thousands of °C because the atoms form A. hydrogen bond B. polar bond 11. Which statement is correct about Isomerism? C. IONIC BOND vi D. NONPOLAR bond A. They differ in both physical and chemical properties. B. They have the different molecular formula. C. Chain isomers differ in the arrangement of their skeleton D. They have the same molecular formula. 12. What reaction takes place when a substance reacts with oxygen gas, releasing energy in the form of light and heat? C. Combustion D. Saponification A. Addition 200 1 B. Condensation 13. Which of the following would undergo addition reactions? A. halogen B. alkyne 14.Which of the following organic compound will form when a carboxylic acid and an alcohol undergo C. alkane D. alcohol condensation reaction? A. new C-C bond C. new N-O bond B. new O-C bond D. ester 15. Which of the following types of reaction happens when alkene reacts with water yields in the production of alcohol? A. Saponification B. Condensation C. Combustion D. Addition
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