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$$$ Quiz $$$ Covalent Bonding and Naming

$$$ Quiz $$$ Covalent Bonding and Naming. A bond in which electrons are shared. covalent. $1. A bond in which electrons are exchanged or taken. ionic. $1. How many valence electrons are in an atom of selenium?. 6. $1.

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$$$ Quiz $$$ Covalent Bonding and Naming

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  1. $$$ Quiz $$$ Covalent Bonding and Naming

  2. A bond in which electrons are shared. covalent $1

  3. A bond in which electrons are exchanged or taken. ionic $1

  4. How many valence electrons are in an atom of selenium? 6 $1

  5. Does PCl3 break the octet rule? Part 2: Draw the lewis structure on the board. yes $2

  6. True or False: The pair of electrons in ammonia not involved in bonding is called the “outer pair” ? False, lone pair or unshared pair $1

  7. What type of bond forms when an “s” orbital overlaps with an s, p, or hybrid orbital? Sigma, $2

  8. Does the element iodine exist as a monotomic, diatomic, or triatomic molecule? diatomic $1

  9. What type of orbital and how many of these orbitals are needed to make a pi bond. “p” orbital, 2 $2

  10. Write down the prefixes (from 1-10) used in naming binary molecular compounds. Mono, di, tri, tetra, penta, hexa, hepta, octa, nona, deca $4

  11. Draw a hydrogen bond on the board. $2

  12. A triple bond contains how many electrons? 6 $1

  13. CsF, H2O, ZnS, BaI2 Which one of these compounds is a molecular (covalent) compound? H2O $1

  14. Give the hybridization of each carbon atom in the following molecule? sp2 sp sp3 sp sp2 $4

  15. What is the shape of AsF3? Trigonal pyramidal $2

  16. What is the shape of GeCl4? Tetrahedral $2

  17. What is the shape of SeCl2? Bent or Angle $2

  18. What is the shape of AlCl3? Trigonal Planar $2

  19. What is the shape of CS2? Linear $2

  20. What is the shape of PBr5? Trigonal Bipyramidal $2

  21. Which one of these is the most polar bond? C-O or C-F or C-Cl or C-N C-F, polar covalent bond $2

  22. What type of hybrid orbital exists in a methane molecule? sp3 $1

  23. Name the four intermolecular forces that we recently talked about. Dipole-dipole Ion-dipole Dispersion forces (London) Hydrogen bonding $4

  24. Which one of these forces is the weakest? Dipole-dipole Ion-dipole Dispersion forces (London) Hydrogen bonding $1

  25. Write the formula for nitrogen trioxide. NO3 $1

  26. Write the formula for diphosphorus pentabromide. P2Br5 $1

  27. Write the name of the compound, H2O2. Dihydrogen dioxide, hydrogen peroxide $1

  28. Write the name of the compound, Si2Cl7. Disilicon heptachloride $1

  29. What is the chemical formula of tin(IV) carbonate? Sn(CO3)2 $3

  30. A bond where electrons are shared is known as a _______ bond? covalent $1

  31. Is there such a thing as S3-? No, only S2-, sulfide $1

  32. Draw the electron dot structure of silicon? $1

  33. How many valence electrons does aluminum have? three $1

  34. Draw the lewis structure for SCl2 $2

  35. Draw the lewis structure for AsH3 $2

  36. Draw the lewis structure for HSCN $3

  37. Is CHCl3 a polar or nonpolar molecule? $2

  38. Is BCl3 a polar or nonpolar molecule? $2

  39. Is NO2 a polar or nonpolar molecule? What’s its geometry? Does it have resonance structures? Show on board. Polar, bent $4

  40. Draw the electron dot structure of antimony ? $1

  41. What is the chemical formula of ammonium hydroxide? NH4OH $2

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