Question 1

Octet means

Accepted Answer

A)   stable electrons.
B)   valence electrons.
C)   eight.
D)   filled shell.E) A) and B)
F) None of the above

Question 2

An oxide ion is

Accepted Answer

A)   O+.
B)   O2+.
C)   O-.
D)   O2-.E) All of the above
F) A) and D)

Question 3

Which substance has ionic bonds?

Accepted Answer

A)   O2
B)   BaO
C)   H2O
D)   OF2E) A) and B)
F) None of the above

Question 4

The number of protons in a chloride ion, Cl-, is

Accepted Answer

A)   16.
B)   17.
C)   18.
D)   35.E) A) and B)
F) A) and C)

Question 5

Oxygen forms monatomic ions with a charge of

Accepted Answer

A)   2+.
B)   3+.
C)   1-.
D)   2-.E) A) and D)
F) B) and C)

Question 6

An atom with four valence electrons will form ________ bond(s)  with other atoms.

Accepted Answer

A)   0
B)   1
C)   4
D)   3E) None of the above
F) B) and C)

Question 7

From the periodic table, the number of valence electrons for most of the main group elements may be determined directly from the

Accepted Answer

A)   atomic number.
B)   group number.
C)   period number.
D)   nucleon number.E) None of the above
F) A) and B)

Question 8

The valence shell electron pair repulsion theory (VSEPR) can be used to predict the arrangement of atoms around a central atom.

Accepted Answer

A) True 
 B)False

Question 9

Which one of the following is a free radical?

Accepted Answer

A)   H2S
B)   NO
C)   NH3
D)   CF4E) None of the above
F) C) and D)

Exam 4: Chemical Bonds

Oxygen forms monatomic ions with a charge of

Correct Answer
verified

Octet means

Correct Answer
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The valence shell electron pair repulsion theory (VSEPR) can be used to predict the arrangement of atoms around a central atom.

Correct Answer
verified

From the periodic table, the number of valence electrons for most of the main group elements may be determined directly from the

Correct Answer
verified

Which one of the following is a free radical?

Correct Answer
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An oxide ion is

Correct Answer
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Which substance has ionic bonds?

Correct Answer
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An atom with four valence electrons will form ________ bond(s) with other atoms.

Correct Answer
verified

The number of protons in a chloride ion, Cl^-, is

Correct Answer
verified

Exam 4: Chemical Bonds

Oxygen forms monatomic ions with a charge of

Correct AnswerverifiedShow Answer

Octet means

Correct AnswerverifiedShow Answer

The valence shell electron pair repulsion theory (VSEPR) can be used to predict the arrangement of atoms around a central atom.

Correct AnswerverifiedShow Answer

From the periodic table, the number of valence electrons for most of the main group elements may be determined directly from the

Correct AnswerverifiedShow Answer

Which one of the following is a free radical?

Correct AnswerverifiedShow Answer

An oxide ion is

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Which substance has ionic bonds?

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An atom with four valence electrons will form ________ bond(s) with other atoms.

Correct AnswerverifiedShow Answer

The number of protons in a chloride ion, Cl-, is

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The number of protons in a chloride ion, Cl^-, is

Correct Answer
verified