Question 1

Water:

Accepted Answer

A) is a polar molecule. 
B) has tetrahedral electron geometry. 
C) has bent molecular geometry. 
D) has two lone pairs of electrons on the central atom. 
E) All of the above. 
A) is a polar molecule. 
B) has tetrahedral electron geometry. 
C) has bent molecular geometry. 
D) has two lone pairs of electrons on the central atom. 
E) All of the above.

Question 2

Which of these molecules will have a tetrahedral electron geometry and a bent molecular geometry?

Accepted Answer

A) PCl3 
B) H2O 
C) C2H2 
D) CH3Cl 
E) SO2 
A) PCl3 
B) H2O 
C) C2H2 
D) CH3Cl 
E) SO2

Question 3

The element with the highest electronegativity is _________.

Accepted Answer

A) fluorine 
B) hydrogen 
C) helium 
D) neon 
A) fluorine 
B) hydrogen 
C) helium 
D) neon

Question 4

Which of these elements has the highest electronegativity?

Accepted Answer

A) Ca 
B) N 
C) Se 
D) P 
E) O 
A) Ca 
B) N 
C) Se 
D) P 
E) O

Question 5

Which of these will not form a positive ion in an ionic compound?

Accepted Answer

A) Ba 
B) Rb 
C) P 
D) Sn 
E) Mg 
A) Ba 
B) Rb 
C) P 
D) Sn 
E) Mg

Question 6

Which of these is the correct molecular geometry of CO2?

Accepted Answer

A) Linear 
B) Trigonal planar 
C) Tetrahedral 
D) Trigonal pyramidal 
E) Bent 
A) Linear 
B) Trigonal planar 
C) Tetrahedral 
D) Trigonal pyramidal 
E) Bent

Question 7

Which of these is the correct molecular geometry of CCl4?

Accepted Answer

A) Linear 
B) Trigonal planar 
C) Tetrahedral 
D) Trigonal pyramidal 
E) Bent 
A) Linear 
B) Trigonal planar 
C) Tetrahedral 
D) Trigonal pyramidal 
E) Bent

Question 8

Which of these molecules will have a trigonal pyramidal molecular geometry?

Accepted Answer

A) PCl3 
B) N2O 
C) C2H2 
D) CH3Cl 
E) SO2 
A) PCl3 
B) N2O 
C) C2H2 
D) CH3Cl 
E) SO2

Question 9

Which of these is the correct formula for sodium phosphide?

Accepted Answer

A) NaP 
B) NaP2 
C) Na3P 
D) NaP3 
E) Na3P2 
A) NaP 
B) NaP2 
C) Na3P 
D) NaP3 
E) Na3P2

Question 10

List the elements Na, K, Al, Cl, Cs in order of decreasing electronegativity (from greatest to least).

Accepted Answer

A) Na > Cl > Al > K > Cs 
B) Cs > Na > K > Cl > Al 
C) Cl > Na > Al > K > Cs 
D) Cl > Al > Na > K > Cs 
E) Na > Cs > K > Al > Cl 
A) Na > Cl > Al > K > Cs 
B) Cs > Na > K > Cl > Al 
C) Cl > Na > Al > K > Cs 
D) Cl > Al > Na > K > Cs 
E) Na > Cs > K > Al > Cl

Question 11

Which of these substances is\are covalent compound(s)?
I. CaO
II. H20
III. PF3
IV. CH4

Accepted Answer

A) I and II 
B) II and III 
C) II and IV 
D) II, III, and IV 
E) II only 
A) I and II 
B) II and III 
C) II and IV 
D) II, III, and IV 
E) II only

Question 12

Which of these would be expected to have a linear molecular geometry?

Accepted Answer

A) I and II 
B) II and IV 
C) I, II, and IV 
D) I, and III 
E) IV only 
A) I and II 
B) II and IV 
C) I, II, and IV 
D) I, and III 
E) IV only

Question 13

Which of these molecules will have a tetrahedral electron geometry and a trigonal pyramidal molecular geometry?

Accepted Answer

A) PCl3 
B) H2O 
C) C2H2 
D) CH3Cl 
E) SO2 
A) PCl3 
B) H2O 
C) C2H2 
D) CH3Cl 
E) SO2

Question 14

The [NO2] −  molecule has ____ double bond(s), ____ single bond(s), ____ lone (nonbonding)pair(s)of electrons, and ____ resonance forms.

Accepted Answer

A) 2, 0, 8, 2 
B) 1, 1, 8, 3 
C) 1, 1, 6, 2 
D) 0, 2, 10, 0 
E) 2, 0, 12, 2 
A) 2, 0, 8, 2 
B) 1, 1, 8, 3 
C) 1, 1, 6, 2 
D) 0, 2, 10, 0 
E) 2, 0, 12, 2

Water:

Which of these molecules will have a tetrahedral electron geometry and a bent molecular geometry?

The element with the highest electronegativity is _________.

Which of these elements has the highest electronegativity?

Which of these will not form a positive ion in an ionic compound?

Which of these is the correct molecular geometry of CO₂?

Which of these is the correct molecular geometry of CCl₄?

Which of these molecules will have a trigonal pyramidal molecular geometry?

Which of these is the correct formula for sodium phosphide?

List the elements Na, K, Al, Cl, Cs in order of decreasing electronegativity (from greatest to least).

Which of these substances is\are covalent compound(s)? I. CaO II. H₂0 III. PF₃ IV. CH₄

Which of these would be expected to have a linear molecular geometry?

Which of these molecules will have a tetrahedral electron geometry and a trigonal pyramidal molecular geometry?

The [NO₂]⁻molecule has double bond(s), single bond(s), lone (nonbonding)pair(s)of electrons, and resonance forms.

Molecular Reasons

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Exam 5: Chemical Bonding

Water:

Which of these molecules will have a tetrahedral electron geometry and a bent molecular geometry?

The element with the highest electronegativity is _________.

Which of these elements has the highest electronegativity?

Which of these will not form a positive ion in an ionic compound?

Which of these is the correct molecular geometry of CO2?

Which of these is the correct molecular geometry of CCl4?

Which of these molecules will have a trigonal pyramidal molecular geometry?

Which of these is the correct formula for sodium phosphide?

List the elements Na, K, Al, Cl, Cs in order of decreasing electronegativity (from greatest to least).

Which of these substances is\are covalent compound(s)? I. CaO II. H20 III. PF3 IV. CH4

Which of these would be expected to have a linear molecular geometry?

Which of these molecules will have a tetrahedral electron geometry and a trigonal pyramidal molecular geometry?

The [NO2] − molecule has ____ double bond(s), ____ single bond(s), ____ lone (nonbonding)pair(s)of electrons, and ____ resonance forms.

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

Which of these is the correct molecular geometry of CO₂?

Which of these is the correct molecular geometry of CCl₄?

Which of these substances is\are covalent compound(s)? I. CaO II. H₂0 III. PF₃ IV. CH₄

The [NO₂]⁻molecule has double bond(s), single bond(s), lone (nonbonding)pair(s)of electrons, and resonance forms.