Question 1

Polar molecules tend to be ________.

Accepted Answer

A) symmetrical 
B) elongated 
C) asymmetrical 
D) diatomic 
A) symmetrical 
B) elongated 
C) asymmetrical 
D) diatomic

Question 2

Which shows atoms in order of increasing electronegativity.

Accepted Answer

A) Cs, Y, Ga, P, O, F 
B) F, O, Cs, Y, Ga, P 
C) Cs, F, Ga, O, P, Y 
A) Cs, Y, Ga, P, O, F 
B) F, O, Cs, Y, Ga, P 
C) Cs, F, Ga, O, P, Y

Question 3

What is the molecular shape of the following molecule?

Accepted Answer

A) pyramidal 
B) bent 
C) tetrahedral 
D) T-shaped 
E) linear 
A) pyramidal 
B) bent 
C) tetrahedral 
D) T-shaped 
E) linear

Question 4

Which of the following elements will most likely form an ion with a -1 charge?

Accepted Answer

A) Na 
B) S 
C) Ne 
D) Mg 
E) Cl 
A) Na 
B) S 
C) Ne 
D) Mg 
E) Cl

Question 5

If you mix a typical iodine ion (I, atomic no. = 53)with a typical barium ion (Ba, atomic no. = 56), what compound is formed?

Accepted Answer

A) BaI2 
B) BaI 
C) Ba56I53 
D) Ba2I 
E) Ba2I2 
A) BaI2 
B) BaI 
C) Ba56I53 
D) Ba2I 
E) Ba2I2

Question 6

Which of the following bonds would be the least polar?

Accepted Answer

A) C-F 
B) C-O 
C) C-Cl 
D) C-H 
E) All are equally polar. 
A) C-F 
B) C-O 
C) C-Cl 
D) C-H 
E) All are equally polar.

Question 7

Atoms of metallic elements can form ionic bonds, but they are not very good at forming covalent bonds. Why?

Accepted Answer

A) These atoms are too large to be able to come in close contact with other atoms. 
B) They have a great tendency to lose electrons. 
C) Their valence shells are already filled with electrons. 
D) They are on the wrong side of the periodic table. 
A) These atoms are too large to be able to come in close contact with other atoms. 
B) They have a great tendency to lose electrons. 
C) Their valence shells are already filled with electrons. 
D) They are on the wrong side of the periodic table.

Question 8

Which of the following statements is false?

Accepted Answer

A) Covalent molecules are never crystalline. 
B) Covalent molecules usually have low melting points. 
C) Covalent molecules can have nonbonding electrons. 
D) Covalent bonds can involve more than one pair of electrons. 
E) All of the above statements are true. 
A) Covalent molecules are never crystalline. 
B) Covalent molecules usually have low melting points. 
C) Covalent molecules can have nonbonding electrons. 
D) Covalent bonds can involve more than one pair of electrons. 
E) All of the above statements are true.

Question 9

How many electrons are used to draw the electron-dot structure for acetylene, a covalent compound with the formula,

Accepted Answer

A) 5 
B) 8 
C) 10 
D) 12 
A) 5 
B) 8 
C) 10 
D) 12

Question 10

Which of the following is NOT an ion?

Accepted Answer

A) H+ 
B) Br- 
C) O2 
D) Mg2+ 
E) NO3- 
A) H+ 
B) Br- 
C) O2 
D) Mg2+ 
E) NO3-

Question 11

How many substituents surround the sulfur atom in SF4?

Accepted Answer

A) 4; four substituent fluorine atoms 
B) 5; four substituent fluorine atoms plus one lone pair of electrons 
C) 6; four substituent fluorine atoms plus two lone pairs of electrons 
D) 1; one lone pair of electrons 
A) 4; four substituent fluorine atoms 
B) 5; four substituent fluorine atoms plus one lone pair of electrons 
C) 6; four substituent fluorine atoms plus two lone pairs of electrons 
D) 1; one lone pair of electrons

Question 12

Which of the following does not describe ionic compounds?

Accepted Answer

A) They have a tendency to melt easily. 
B) They consist of positive and negative ions. 
C) They are held together by electrostatic attraction. 
D) They are usually very ordered. 
E) none of the above 
A) They have a tendency to melt easily. 
B) They consist of positive and negative ions. 
C) They are held together by electrostatic attraction. 
D) They are usually very ordered. 
E) none of the above

Question 13

Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). O with F Ca with Cl Na with Na

Accepted Answer

A) covalent, ionic, covalent 
B) ionic, covalent, neither 
C) neither, ionic, covalent 
D) covalent, ionic, neither 
A) covalent, ionic, covalent 
B) ionic, covalent, neither 
C) neither, ionic, covalent 
D) covalent, ionic, neither

Polar molecules tend to be ________.

Which shows atoms in order of increasing electronegativity.

What is the molecular shape of the following molecule?

Which of the following elements will most likely form an ion with a -1 charge?

If you mix a typical iodine ion (I, atomic no. = 53)with a typical barium ion (Ba, atomic no. = 56), what compound is formed?

Which of the following bonds would be the least polar?

Atoms of metallic elements can form ionic bonds, but they are not very good at forming covalent bonds. Why?

Which of the following statements is false?

How many electrons are used to draw the electron-dot structure for acetylene, a covalent compound with the formula,

Which of the following is NOT an ion?

How many substituents surround the sulfur atom in SF₄?

Which of the following does not describe ionic compounds?

Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). O with F Ca with Cl Na with Na

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Exam 6: How Atoms Bond

Polar molecules tend to be ________.

Which shows atoms in order of increasing electronegativity.

What is the molecular shape of the following molecule?

Which of the following elements will most likely form an ion with a -1 charge?

If you mix a typical iodine ion (I, atomic no. = 53)with a typical barium ion (Ba, atomic no. = 56), what compound is formed?

Which of the following bonds would be the least polar?

Atoms of metallic elements can form ionic bonds, but they are not very good at forming covalent bonds. Why?

Which of the following statements is false?

How many electrons are used to draw the electron-dot structure for acetylene, a covalent compound with the formula,

Which of the following is NOT an ion?

How many substituents surround the sulfur atom in SF4?

Which of the following does not describe ionic compounds?

Classify the following bonds as ionic, covalent, or neither (O, atomic number 8; F, atomic number 9; Na, atomic number 11; Cl, atomic number 17; U, atomic number 92). O with F Ca with Cl Na with Na

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Organic Compounds

Nutrients of Life

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters

How many substituents surround the sulfur atom in SF₄?