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Chapter 10

Chemical Bonding

Laurie LeBlancCuyamaca College

Clicker Questions

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A. 6B. 4C. 8D. 2E. 3

In the Lewis structure for sulfur, how many dots should be around the symbol “S”?

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A. 6B. 4C. 8D. 2E. 3

In the Lewis structure for sulfur, how many dots should be around the symbol “S”?

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A. polar covalent.B. ionic.C. polar ionic.D. nonpolar covalent.E. covalent.

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

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A. polar covalent.B. ionic.C. polar ionic.D. nonpolar covalent.E. covalent.

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

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A. AlOB. Al3O

C. Al3O2

D. Al2O3

E. Al3O3

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

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A. AlOB. Al3O

C. Al3O2

D. Al2O3

E. Al3O3

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

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A. 3B. 5C. 8D. 4E. 0

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

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A. 3B. 5C. 8D. 4E. 0

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

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A. 3B. 6C. 14D. 4E. 8

How many valence electrons are there in one silicon atom?

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How many valence electrons are there in one silicon atom?

A. 3B. 6C. 14D. 4E. 8

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A. 2B. 3C. 1D. 5E. 0

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

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A. 2B. 3C. 1D. 5E. 0

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

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A. 8B. 2C. 4D. 6E. 0

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

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A. 8B. 2C. 4D. 6E. 0

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

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A. 1B. 3C. 0 D. 4E. 2

How many resonance structures are possible for the nitrate ion?

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A. 1B. 3C. 0 D. 4E. 2

How many resonance structures are possible for the nitrate ion?

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A. 1 B. 2C. 3D. 4E. 0

How many bonding pairs of electrons are in one molecule of ammonia (NH3)?

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A. 1 B. 2C. 3D. 4E. 0

How many bonding pairs of electrons are in one molecule of ammonia (NH3)?

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A. 4B. 6C. 0D. 8E. 12

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

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A. 4B. 6C. 0D. 8E. 12

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

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A. F2

B. N2

C. CN–

D. COE. SiO2

Which of the following contains one or more double bonds?

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A. F2

B. N2

C. CN–

D. COE. SiO2

Which of the following contains one or more double bonds?

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A. C2H2

B. H2

C. OF2

D. CF4

E. OH–

Which of the following contains a triple bond?

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A. C2H2

B. H2

C. OF2

D. CF4

E. OH–

Which of the following contains a triple bond?

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A. 1B. 4C. 0D. 12E. 16

How many lone pairs are around the central atom in the ammonium ion?

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A. 1B. 4C. 0D. 12E. 16

How many lone pairs are around the central atom in the ammonium ion?

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A. 180°B. 120°C. 90°D. 109.5°E. 104°

What is the bond angle in a sulfur dioxide molecule?

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A. 180°B. 120°C. 90°D. 109.5°E. 104°

What is the bond angle in a sulfur dioxide molecule?

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A. LinearB. Trigonal planarC. TetrahedralD. Trigonal pyramidalE. Bent

What is the electron geometry of boron trifluoride?

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A. LinearB. Trigonal planarC. TetrahedralD. Trigonal pyramidalE. Bent

What is the electron geometry of boron trifluoride?

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A. LinearB. Trigonal planarC. TetrahedralD. Trigonal pyramidalE. Bent

What is the molecular geometry of NH2–?

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A. LinearB. Trigonal planarC. TetrahedralD. Trigonal pyramidalE. Bent

What is the molecular geometry of NH2–?

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A. LinearB. Trigonal planarC. TetrahedralD. Trigonal pyramidalE. Bent

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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A. LinearB. Trigonal planarC. TetrahedralD. Trigonal pyramidalE. Bent

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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A. CH3OH

B. CO2

C. C2H4

D. F2

E. CCl4

Which of the following is most soluble in water?

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A. CH3OH

B. CO2

C. C2H4

D. F2

E. CCl4

Which of the following is most soluble in water?

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A. CH4

B. BF3

C. CCl4D. NO3

E. NH4+

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

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A. CH4

B. BF3

C. CCl4D. NO3

E. NH4+

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

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A. NH3

B. CaCl2C. I2

D. CO2

E. CO

Which of the following contains a nonpolar, purely covalent bond?

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A. NH3

B. CaCl2C. I2

D. CO2

E. CO

Which of the following contains a nonpolar, purely covalent bond?

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A. COB. N2

C. H2O

D. HFE. SiO2

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

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A. COB. N2

C. H2O

D. HFE. SiO2

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

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A. H2O

B. HClC. NH3

D. CF4

E. NaCl

Which of the following is the most soluble in octane (C8H18), a component of gasoline?

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A. H2O

B. HClC. NH3

D. CF4

E. NaCl

Which of the following is the most soluble in octane (C8H18), a component of gasoline?

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A. Cl, Te, Se, Sr, BaB. Cl, Te, Se, Ba, SrC. Ba, Sr, Te, Se, ClD. Sr, Ba, Te, Se, ClE. Ba, Sr, Se, Te, Cl

Without using a table of electronegativity, arrange the following elements in order of increasing electronegativity:

Cl, Te, Se, Sr, Ba

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A. Cl, Te, Se, Sr, BaB. Cl, Te, Se, Ba, SrC. Ba, Sr, Te, Se, ClD. Sr, Ba, Te, Se, ClE. Ba, Sr, Se, Te, Cl

Without using a table of electronegativity, arrange the following elements in order of increasing electronegativity:

Cl, Te, Se, Sr, Ba

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

B. A long nonpolar tail that is water-solubleC. A polar head that is membrane-solubleD. A long nonpolar tail and a polar head that are

membrane- and water-soluble, respectivelyE. Two of the above

What is/are the basic structure(s) of a soap or detergent molecule?

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

B. A long nonpolar tail that is water-solubleC. A polar head that is membrane-solubleD. A long nonpolar tail and a polar head that are

membrane- and water-soluble, respectivelyE. Two of the above

What is/are the basic structure(s) of a soap or detergent molecule?

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A. Ozone, O3

B. Carbonate, CO32–

C. Sulfur dioxide, SO2

D. Two of the aboveE. Three of the above

Which of the following have two or more resonance structures?

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A. Ozone, O3

B. Carbonate, CO32–

C. Sulfur dioxide, SO2

D. Two of the aboveE. Three of the above

Which of the following have two or more resonance structures?

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A. Trigonal planar and trigonal planarB. Tetrahedral and trigonal pyramidalC. Tetrahedral and tetrahedralD. Trigonal planar and trigonal pyramidalE. Trigonal planar and bent

What are the electron geometry and molecular geometry, respectively, for PH3?

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A. Trigonal planar and trigonal planarB. Tetrahedral and trigonal pyramidalC. Tetrahedral and tetrahedralD. Trigonal planar and trigonal pyramidalE. Trigonal planar and bent

What are the electron geometry and molecular geometry, respectively, for PH3?

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A. HCNB. CO2

C. HFD. CH4

E. Two of the aboveF. None of the above

Which of the following has a bent molecular geometry?

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A. HCNB. CO2

C. HFD. CH4

E. Two of the aboveF. None of the above

Which of the following has a bent molecular geometry?

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A. BH3

B. NO3–

C. NH3

D. CO32–

E. None of the above

Which of the following will exhibit trigonal pyramidal molecular geometry?

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A. BH3

B. NO3–

C. NH3

D. CO32–

E. None of the above

Which of the following will exhibit trigonal pyramidal molecular geometry?

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A. C-OB. S-HC. N-HD. H-FE. O-H

Which of the following is the most polar bond?

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A. C-OB. S-HC. N-HD. H-FE. O-H

Which of the following is the most polar bond?