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Chemical Bonding

Chemical Bonding. Review. This kind of bonding exists between atoms with very different electronegativities. Covalent Ionic Hydrogen Metallic. 0. This substance undergoes ionic bonding. CH 4 NH 3 NaCl N 2 H 2. 0. This molecule contains 2 pi bonds. CH 4 NH 3 NaCl N 2 H 2. 0.

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Chemical Bonding

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  1. Chemical Bonding Review

  2. This kind of bonding exists between atoms with very different electronegativities. • Covalent • Ionic • Hydrogen • Metallic 0

  3. This substance undergoes ionic bonding • CH4 • NH3 • NaCl • N2 • H2 0

  4. This molecule contains 2 pi bonds. • CH4 • NH3 • NaCl • N2 • H2 0

  5. The central atom in this molecule forms sp2 hybrid orbitals • BF3 • CO2 • H2O • CF4 • PH3 0

  6. This molecule has a tetrahedral structure • BF3 • CO2 • H2O • CF4 • PH3 0

  7. This molecule has a linear structure • BF3 • CO2 • H2O • CF4 • PH3 0

  8. Which of the following does not have a tetrahedral shape? • CH4 • NH4+ • SF4 • AlCl4- • CBr4 2

  9. Which form of hybridization can form molecules with shapes that are either trigonal pyramidal or tetrahedral? • sp • sp2 • sp3 • spd2 • sp3d 0

  10. In which of the following species does the central atom NOT form sp2 hybrid orbitals? • SO2 • BF3 • NO3– • SO3 • PCl3 0

  11. A molecule whose central atoms has sp3d2 hybridization can have which of the following shapes? • Tetrahedral • Square planar • Square pyramidal • 1 and 3 • 2 and 3 • 1, 2, and 3 0

  12. Which of the following molecules will have only one unshared electron pair on the central atom? • H2O • PH3 • PCl5 • CH2Cl2 • BeCl2 0

  13. Which one of the following compounds would require the greatest energy to separate it into ions? • NaCl • NaI • MgO • Na2O • MgCl2 0

  14. Which sample of the following compounds contains both ionic and covalent bonds? • H2O2 • CH3Cl • C2H3OH • NaNO3 • NH2OH 0

  15. Which of the molecules listed has the largest dipole moment? • Cl2 • HCl • SO3 • NO • N2 0

  16. How many total sigma bonds are in the benzene molecule? • 6 • 9 • 12 • 14 • 18 0

  17. Which one of the following does NOT exhibit resonance? • SO2 • SO3 • CH3Br • CO32- • NO3- 0

  18. What type of hybridization would you expect to find in BCl3? • sp • sp2 • sp3 • sp3d2 • No hybridization occurs 0

  19. Adipic acid contains 49.32% C, 43.84% O, and 6.85% H by mass. What is its empirical formula? 10 • C3H5O2 • C3H3O4 • C2HO3 • C2H5O4

  20. The compound expected when chlorine reacts with aluminum is • Al2Cl3 • Al3Cl2 • AlCl3 • Al3Cl • AlCl2 2

  21. What is the name of the compound having the formula Ca(ClO2)2? • Calcium chlorate • Calcium chlorite • Calcium chloride • Calcium chlorine oxygenate 0

  22. What is the name of the compound having the formula CuSO4? • Copper sulfate • Copper (I) sulfate • Copper (II) sulfate • Copper (IV) sulfate 0

  23. Which of the following is the correct formula for carbon tetrachloride? • CCl • C4Cl • CCl4 • C4Cl4 0

  24. Which one of the following is a nonpolar molecule with one or more polar bonds? • H-Br • Cl-Be-Cl • H-H • H-O-H • K-Cl 0

  25. Which of the following atoms cannot form bonds that results in a trigonal bipyramidal geometry? • As • P • S • N 0

  26. Arrange the following ions in order of increasing ionic radius: Mg 2+ , F-, and O2- • O2-, F-, Mg2+ • Mg2+, O2-, F- • Mg2+, F-, O2- • O2-, Mg2+, F- • F-, O2-, Mg2+ 0

  27. What is the formal charge on chlorine in ClO4-? 10 • -1 • +3 • +6 • +4

  28. Which one of the following molecules contains a central atom that violates the octet rule? 10 • SF4 • COF2 • Si(OH)4 • PBr3

  29. How many of the six valence electrons in oxygen are usually used in covalent bonding? 10 • 4 • 3 • 6 • 2

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