Question 1

Which of the elements listed below has the following pattern for its first six ionization energies? (I1 = first ionization energy, I2 = second ionization energy, etc.)  1 = first ionization energy, I2 = second ionization energy, etc.)    A) Ca B) Si C) Al D) Se E) P" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  Ca
B)  Si
C)  Al
D)  Se
E)  PF) A) and B)
G) B) and C)

Question 2

Which of the following is the electron configuration for the aluminum ion?

Accepted Answer

A)  1s22s22p63s2
B)  1s22s22p63s23p2
C)  1s22s22p63s23p1
D)  1s22s22p6
E)  1s22s22p63s23p4F) B) and C)
G) A) and D)

Question 3

The chief contribution of physicist Henry Moseley to atomic theory was

Accepted Answer

A)  the discovery of the periodic law.
B)  the determination of the charge of the proton.
C)  the measurement of the atomic numbers of the elements.
D)  the scientist who determined the electric charge of the electron.
E)  the discovery of the law of octaves.F) A) and C)
G) All of the above

Question 4

Consider the element with the electron configuration [Xe]6s24f7. This element is

Accepted Answer

A)  a representative element.
B)  a lanthanide element.
C)  a nonmetal.
D)  an actinide element.
E)  a noble gas.F) B) and E)
G) B) and C)

Question 5

Which of the following elements has the smallest ionization energy?

Accepted Answer

A)  Li
B)  Na
C)  Be
D)  K
E)  RbF) C) and D)
G) B) and C)

Question 6

An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?

Accepted Answer

A)  2A
B)  3A
C)  4A
D)  5A
E)  8AF) C) and D)
G) B) and C)

Question 7

For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen?

Accepted Answer

A)  N2+(g)  →\rarr→  N3+(g) + e-
B)  N2+(g) + e-  →\rarr→  N+(g) 
C)  N(g)  →\rarr→  N2+(g) + 2e-
D)  N-(g) + e-  →\rarr→  N2-(g) 
E)  N+(g)  →\rarr→ N2+(g) + e- F) A) and E)
G) D) and E)

Question 8

How many electrons are in the 4p orbitals of selenium?

Accepted Answer

A)  0
B)  2
C)  4
D)  5
E)  6F) A) and E)
G) A) and C)

Question 9

Which of the following is an amphoteric oxide?

Accepted Answer

A)  Na2O
B)  MgO
C)  Al2O3
D)  SO2
E)  Cl2O7F) C) and D)
G) A) and D)

Question 10

Which species has the greater radius, an I-  ion or an I atom? Briefly explain your choice of answer.

Accepted Answer

I^-; I and I^- have the same number of proto...

Question 11

The elements in Group 2A are known by what name?

Accepted Answer

A)  transition metals
B)  halogens
C)  alkali metals
D)  alkaline earth metals
E)  noble gasesF) A) and B)
G) A) and D)

Question 12

Arrange the following ions in order of increasing ionic radius: K+, P3- , S2- , Cl- . increasing radius  →\rarr→

Accepted Answer

A)  K+ - 2- 3-
B)  K+ 3- 2- -
C)  P3- 2- - +
D)  Cl- 2- 3- +
E)  Cl- 2- + 3- F) C) and E)
G) A) and E)

Question 13

What is the charge on the stable ion formed by selenium?

Accepted Answer

A)  +2
B)  +1
C)  -1
D)  -2
E)  -3F) All of the above
G) A) and B)

Question 14

Consider the following reaction 2A + 3F2  →\rarr→ 2AF3. What is the formula for the reaction product if we substitute iodine for fluorine?

Accepted Answer

A)  A2I3
B)  A3I2
C)  AI3
D)  A3I
E)  AI F) B) and D)
G) A) and D)

Question 15

Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

Accepted Answer

A)  acidic
B)  ionic
C)  amphoteric
D)  neutral
E)  basicF) B) and E)
G) None of the above

Question 16

Which of the following elements behaves chemically similarly to calcium?

Accepted Answer

A)  magnesium
B)  sodium
C)  sulfur
D)  chlorine
E)  ironF) A) and E)
G) All of the above

Question 17

The general electron configuration for noble gas atoms is

Accepted Answer

A)  ns2np6.
B)  ns2np5.
C)  ns2np4.
D)  ns2np3.
E)  ns2.F) A) and E)
G) A) and D)

Question 18

Which one of the following pairs are isoelectronic?

Accepted Answer

A)  Mn2+ and Ar
B)  Zn2+ and Cu2+
C)  Na+ and K+
D)  Cl-  and S
E)  K+ and Cl-F) None of the above
G) A) and B)

Question 19

For which of the following reactions is the enthalpy change equal to the third ionization energy of vanadium?

Accepted Answer

A)  V2+(g)  →\rarr→ V3+(g) + e-
B)  V3+(g) + e-  →\rarr→  V2+(g) 
C)  V(g)  →\rarr→  V3+(g) + 3e-
D)  V2-(g) + e-  →\rarr→  V3-(g) 
E)  V3+(g)  →\rarr→ V4+(g) + e- F) B) and C)
G) B) and D)

Question 20

What is the charge on the monatomic ion that calcium forms in its compounds?

Accepted Answer

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

Exam 8: The Periodic Table

Consider the following reaction 2A + 3F2 →\rarr→ 2AF3. What is the formula for the reaction product if we substitute iodine for fluorine?

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What is the charge on the stable ion formed by selenium?

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An element with the general electron configuration for its outermost electrons of ns2np1 would be in which element group?

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Consider the element with the electron configuration [Xe]6s24f7. This element is

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Since zirconium is a metal, ZrO2 is expected to be a/an _____ oxide.

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Arrange the following ions in order of increasing ionic radius: K+, P3- , S2- , Cl- . increasing radius →\rarr→

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Which of the elements listed below has the following pattern for its first six ionization energies? (I1 = first ionization energy, I2 = second ionization energy, etc.)

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The general electron configuration for noble gas atoms is

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The chief contribution of physicist Henry Moseley to atomic theory was

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Which of the following elements behaves chemically similarly to calcium?

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Which species has the greater radius, an I- ion or an I atom? Briefly explain your choice of answer.

Correct AnswerverifiedI-; I and I- have the same number of proto...View AnswerShow Answer

For which of the following reactions is the enthalpy change equal to the third ionization energy of vanadium?

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Which of the following is the electron configuration for the aluminum ion?

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What is the charge on the monatomic ion that calcium forms in its compounds?

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Which one of the following pairs are isoelectronic?

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How many electrons are in the 4p orbitals of selenium?

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For which of the following reactions is the enthalpy change equal to the second ionization energy of nitrogen?

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Which of the following elements has the smallest ionization energy?

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The elements in Group 2A are known by what name?

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Which of the following is an amphoteric oxide?

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Consider the following reaction 2A + 3F₂ $\rarr$ 2AF₃. What is the formula for the reaction product if we substitute iodine for fluorine?

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An element with the general electron configuration for its outermost electrons of ns²np¹ would be in which element group?

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Consider the element with the electron configuration [Xe]6s²4f⁷. This element is

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Since zirconium is a metal, ZrO₂ is expected to be a/an _____ oxide.

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Arrange the following ions in order of increasing ionic radius: K⁺, P^3-, S^2-, Cl^-. increasing radius $\rarr$

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Which of the elements listed below has the following pattern for its first six ionization energies? (I₁ = first ionization energy, I₂ = second ionization energy, etc.)

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Which species has the greater radius, an I^- ion or an I atom? Briefly explain your choice of answer.

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I^-; I and I^- have the same number of proto...
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