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Covalent Bonding Review

Covalent Bonding Review. All atoms want to have 8 valence electrons. True False. Non-Response Grid. 0 of 30. Remember that hydrogen can have no more than 2 electrons. The correct formula for ethene is. C 2 H 6 CH 4 C 2 H 4 C 2 H 2. Non-Response Grid. 0 of 30.

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Covalent Bonding Review

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  1. Covalent Bonding Review

  2. All atoms want to have 8 valence electrons. • True • False Non-Response Grid 0 of 30

  3. Remember that hydrogen can have no more than 2 electrons.

  4. The correct formula for ethene is • C2H6 • CH4 • C2H4 • C2H2 Non-Response Grid 0 of 30

  5. The name for the compound N2H4 is • ammonia • phosphine • methane • hydrazine Non-Response Grid 0 of 30

  6. The prefix di- in a compound name refers to _______ atoms. • 1 • 2 • 3 • 4 Non-Response Grid 0 of 30

  7. The correct formula for hydrogen sulfide is • HS • HS- • HS2 • H2 S • none of these Non-Response Grid 0 of 30

  8. The formula that shows bonding pairs as dashes and non-bonding electrons as dots is called the • molecular formula • Lewis dot formula • structural formula • Lewis structure

  9. The Lewis structure for AlCl3 shows _____ hybridization • trigonal planar • pyramidal • sp2 • sp3 Non-Response Grid 0 of 30

  10. An atom with 1 non-bonding pair and 3 bonded regions will have ______ central atom geometry. • pyramidal • trigonal planar • tetrahedral • sp3 Non-Response Grid 0 of 30

  11. The correct bond angle in ammonia is • 120 • <120 • 109.5 • <109.5 • 90 Non-Response Grid 0 of 30

  12. Electrons are shared unequally in ________ bonds. • Ionic • Polar ionic • Polar covalent • Non-polar covalent Non-Response Grid 0 of 30

  13. Which of the following is not a diatomic element? • fluorine • nitrogen • boron • hydrogen Non-Response Grid 0 of 30

  14. Which is the correct Lewis dot for an oxygen atom? • A • b • c • d Non-Response Grid 0 of 30

  15. In ethane, there is • a single C-C bond • a double C-C bond • a triple C-C bond • 4 hydrogens Non-Response Grid 0 of 30

  16. The molecular geometry of CH4 is • linear • trigonal planar • tetrahedral • pyramidal Non-Response Grid 0 of 30

  17. The molecular geometry of H2O is • bent • trigonal planar • tetrahedral • pyramidal Non-Response Grid 0 of 30

  18. The molecular geometry of SO3 is • bent • trigonal planar • tetrahedral • pyramidal Non-Response Grid 0 of 30

  19. Which of the following exhibits resonance? • CCl4 • SO2 • N2H4 • none of these Non-Response Grid 0 of 30

  20. The attraction of an atoms for the electrons in a bond is called • electron affinity • resonance • electronegativity • polarity Non-Response Grid 0 of 30

  21. The hybridization that has a trigonalbipyramidal geometry is • sp • sp2 • sp3 • sp3d • sp3d2 Non-Response Grid 0 of 30

  22. The bond angle in the OH- ion is • <120 • 109.5 • <109.5 • 90 • none of the above Non-Response Grid 0 of 30

  23. Which of the following has a triple bond? • carbon dioxide • oxygen • ozone • carbon monoxide • none of the above Non-Response Grid 0 of 30

  24. Which of the following shows a pure covalent bond? • CH4 • PH3 • NH3 • LiH Non-Response Grid 0 of 30

  25. Which compound violates the octet rule? • PCl3 • SO2 • AlCl3 • none of these Non-Response Grid 0 of 30

  26. Which is the correct Lewis structure for the cyanide ion? • a • b • c • none of the above Non-Response Grid 0 of 30

  27. Which central atom corresponds with the following picture? • C in CH4 • O in water • N in N2 • N in NH3 Non-Response Grid 0 of 30

  28. Which central atom corresponds with the following picture? • a triple bond • bent with 120 • a double bond • trigonalbipyramidal Non-Response Grid 0 of 30

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