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1. 62. 43. 84. 25. 3

10.1 How many dots showing electrons are around the “S” in the Lewis structure of a sulfur atom?

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1. 62. 43. 84. 25. 3

10.1 How many dots showing electrons are around the “S” in the Lewis structure of a sulfur atom?

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1. Polar covalent2. Ionic3. Polar ionic4. Nonpolar covalent5. Covalent

10.2 When electrons are completely transferred from one atom to another, the bond between the ions is called:

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1. Polar covalent2. Ionic3. Polar ionic4. Nonpolar covalent5. Covalent

10.2 When electrons are completely transferred from one atom to another, the bond between the ions is called:

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1. AlO2. Al3O

3. Al3O2

4. Al2O3

5. Al3O3

10.3 Use Lewis theory to predict the chemical formula of the product formed by the reaction between aluminum and atomic oxygen.

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1. AlO2. Al3O

3. Al3O2

4. Al2O3

5. Al3O3

10.3 Use Lewis theory to predict the chemical formula of the product formed by the reaction between aluminum and atomic oxygen.

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1. 32. 53. 84. 45. 0

10.4 How many paired electrons are in the Lewis structure of lithium nitride?

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1. 32. 53. 84. 45. 0

10.4 How many paired electrons are in the Lewis structure of lithium nitride?

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1. 32. 63. 144. 45. 8

10.5 How many valence electrons are there in one silicon atom?

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1. 32. 63. 144. 45. 8

10.5 How many valence electrons are there in one silicon atom?

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1. 22. 33. 14. 55. 0

10.6 How many electrons must a phosphorus atom gain in order to have a full valence shell?

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1. 22. 33. 14. 55. 0

10.6 How many electrons must a phosphorus atom gain in order to have a full valence shell?

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1. 82. 23. 44. 65. 0

10.7 How many electrons are there in the outer shell of an oxide ion?

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1. 82. 23. 44. 65. 0

10.7 How many electrons are there in the outer shell of an oxide ion?

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1. 12. 33. 0 4. 45. 2

10.8 How many resonance structures are possible for the nitrate ion?

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1. 12. 33. 0 4. 45. 2

10.8 How many resonance structures are possible for the nitrate ion?

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1. 1 2. 23. 34. 45. 0

10.9 How many bonding pairs of electrons are in one molecule of ammonia?

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1. 1 2. 23. 34. 45. 0

10.9 How many bonding pairs of electrons are in one molecule of ammonia?

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1. 42. 63. 04. 85. 12

10.10 How many lone pairs of electrons are in one molecule of carbon tetrachloride?

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1. 42. 63. 04. 85. 12

10.10 How many lone pairs of electrons are in one molecule of carbon tetrachloride?

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1. F22. N2

3. CN1-

4. CO5. SiO2

10.11 Which of the following contains one or more double bonds?

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1. F22. N2

3. CN1-

4. CO5. SiO2

10.11 Which of the following contains one or more double bonds?

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1. C2H2

2. H2

3. OF24. CF45. OH1-

10.12 Which of the following contains a triple bond?

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1. C2H2

2. H2

3. OF24. CF45. OH1-

10.12 Which of the following contains a triple bond?

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1. 12. 43. 04. 125. 16

10.13 How many lone pairs are around the central atom in carbon tetrachloride?

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1. 12. 43. 04. 125. 16

10.13 How many lone pairs are around the central atom in carbon tetrachloride?

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1. 180°2. 120°3. 90°4. 109.5°5. 104°

10.14 What is the bond angle in a sulfur dioxide molecule?

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1. 180°2. 120°3. 90°4. 109.5°5. 104°

10.14 What is the bond angle in a sulfur dioxide molecule?

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1. Linear2. Trigonal planar3. Tetrahedral4. Trigonal pyramidal5. Bent

10.15 What is the electron geometry of boron trifluoride?

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1. Linear2. Trigonal planar3. Tetrahedral4. Trigonal pyramidal5. Bent

10.15 What is the electron geometry of boron trifluoride?

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1. Linear2. Trigonal planar3. Tetrahedral4. Trigonal pyramidal5. Bent

10.16 What would be the shape of NH21–?

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1. Linear2. Trigonal planar3. Tetrahedral4. Trigonal pyramidal5. Bent

10.16 What would be the shape of NH21–?

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1. Linear2. Trigonal planar3. Tetrahedral4. Trigonal pyramidal5. Bent

10.17 What is the electron geometry of a compound when the central atom is surrounded by 3 single bonds and 1 lone pair?

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1. Linear2. Trigonal planar3. Tetrahedral4. Trigonal pyramidal5. Bent

10.17 What is the electron geometry of a compound when the central atom is surrounded by 3 single bonds and 1 lone pair?

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1. CH3OH

2. CO2

3. C2H4

4. F25. CCl4

10.18 Which of the following is most soluble in water?

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1. CH3OH

2. CO2

3. C2H4

4. F25. CCl4

10.18 Which of the following is most soluble in water?

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1. CH4

2. BF3

3. CCl44. NO3

5. NH41+

10.19 Which of the following has a central atom that often does not obey the octet rule?

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1. CH4

2. BF3

3. CCl44. NO3

5. NH41+

10.19 Which of the following has a central atom that often does not obey the octet rule?

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1. NH3

2. CaCl23. I24. CO2

5. CO

10.20 Which of the following contain a nonpolar, purely covalent bond?

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1. NH3

2. CaCl23. I24. CO2

5. CO

10.20 Which of the following contain a nonpolar, purely covalent bond?

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1. CO2. N2

3. H2O

4. HF5. SiO2

10.21 Which of the following molecules contain one or more polar covalent bonds, but is nonpolar?

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1. CO2. N2

3. H2O

4. HF5. SiO2

10.21 Which of the following molecules contain one or more polar covalent bonds, but is nonpolar?

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1. H2O

2. HCl3. NH3

4. CF4

5. NaCl

10.22 Which of the following is the most soluble in gasoline (C8H18)?

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1. H2O

2. HCl3. NH3

4. CF4

5. NaCl

10.22 Which of the following is the most soluble in gasoline (C8H18)?

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1. Cl, Te, Se, Sr, Ba2. Cl, Te, Se, Ba, Sr3. Ba, Sr, Te, Se, Cl4. Sr, Ba, Te, Se, Cl5. Ba, Sr, Se, Te, Cl

10.23 Arrange the following elements in order of increasing electronegativity (lowest first):Cl, Te, Se, Sr, and Ba.Do NOT use a table of numeric electronegativity values.

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1. Cl, Te, Se, Sr, Ba2. Cl, Te, Se, Ba, Sr3. Ba, Sr, Te, Se, Cl4. Sr, Ba, Te, Se, Cl5. Ba, Sr, Se, Te, Cl

10.23 Arrange the following elements in order of increasing electronegativity (lowest first):Cl, Te, Se, Sr, and Ba.Do NOT use a table of numeric electronegativity values.

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1. A long polar tail and a nonpolar head that are water- and membrane-soluble, respectively

2. A long nonpolar tail that is water-soluble3. A polar head that is membrane-soluble4. A long nonpolar tail and a polar head that

are membrane- and water-soluble, respectively

5. Two of the above

10.24 What is the basic structure of a soap molecule or ion?

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1. A long polar tail and a nonpolar head that are water- and membrane-soluble, respectively

2. A long nonpolar tail that is water-soluble3. A polar head that is membrane-soluble4. A long nonpolar tail and a polar head that

are membrane- and water-soluble, respectively

5. Two of the above

10.24 What is the basic structure of a soap molecule or ion?