Question 1

Sodium ions are more reactive than sodium atoms.

Accepted Answer

A) True 
 B)False

Question 2

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 E)
G) B) and D)

Question 3

How many electrons does a bromine atom need to fill its outermost s and p subshells

Accepted Answer

A)   8
B)   7
C)   5
D)   3
E)   1F) A) and E)
G) A) and C)

Question 4

Concerning the electron configuration of P, 1s22s22p63s23p4, which, if any, is the configuration for the valence shell electrons only

Accepted Answer

A)   1s22s2
B)   1s22s22p6
C)   3s23p4
D)   3p4
E)   None of the aboveF) A) and E)
G) A) and B)

Question 5

Consider the following reaction 2A + 3F2  →\rarr→  2AF3. What is a reasonable guess for the identity element A

Accepted Answer

A)   Mg
B)   Al
C)   Si
D)   P
E)   None of the above F) A) and E)
G) A) and B)

Question 6

Which, if any, is the ground-state electron configuration for Ca2+

Accepted Answer

A)   [Ne] or 1s22s22p63s23p6
B)   [Ar] or 1s22s22p63s23p6
C)   1s22s22p63s23p5
D)   [Ar] or 1s22s22p63s23p4
E)   None of the aboveF) D) and E)
G) B) and C)

Question 7

Which of the atoms listed below has the smallest radius

Accepted Answer

A)   Al
B)   P
C)   As
D)   Te
E)   NaF) None of the above
G) C) and D)

Question 8

Which one of the following elements forms a stable 2+ cation

Accepted Answer

A)   Kr
B)   I
C)   Se
D)   Al
E)   BaF) A) and D)
G) C) and D)

Question 9

For phosphorus atoms, which ionization energy will show an exceptionally large increase over the previous ionization energy

Accepted Answer

A)   2nd
B)   3rd
C)   4th
D)   5th
E)   6thF) B) and C)
G) A) and B)

Question 10

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) A) and C)
G) A) and E)

Question 11

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 gasF) C) and D)
G) B) and D)

Question 12

Which of the following elements has the greatest metallic character

Accepted Answer

A)   Br
B)   Se
C)   Ni
D)   As
E)   SiF) A) and B)
G) All of the above

Question 13

Given the following melting point data, what is a reasonable estimate of the melting point of potassium   Lithium 180∘C Sodium 98∘C Rubidium 39∘C Cesium 29∘C\begin{array}{lr}	ext { Lithium } & 180^{\circ} \mathrm{C} \	ext { Sodium } & 98^{\circ} \mathrm{C} \	ext { Rubidium } & 39^{\circ} \mathrm{C} \	ext { Cesium } & 29^{\circ} \mathrm{C}\end{array} Lithium  Sodium  Rubidium  Cesium ​180∘C98∘C39∘C29∘C​

Accepted Answer

A)   Around 100oC
B)   Around 40oC
C)   Around 190oC
D)   Around 60oC
E)   Around 20oC F) C) and D)
G) B) and D)

Question 14

What are the products of the following reaction
SO2(g)  + H2O(l)   →\rarr→

Accepted Answer

A)   H2SO4(aq) 
B)   H2SO3(aq) 
C)   H2(g)  + SO3(g) 
D)   S(s)  + H2O(l) 
E)   S(s)  + H2(g)  + O2(g)  F) None of the above
G) B) and E)

Question 15

Consider the following reaction: 3Li + Z  →\rarr→  Li3Z. What is a reasonable guess for the identity of element Z

Accepted Answer

A)   Be
B)   B
C)   C
D)   N
E)   None of the above F) A) and B)
G) A) and E)

Question 16

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Accepted Answer

A)   nuclear binding energy.
B)   number of electrons.
C)   number of neutrons.
D)   atomic mass.
E)   atomic number.F) C) and E)
G) B) and E)

Question 17

Which of the following is the electron configuration for the bromide ion

Accepted Answer

A)   [Ar]
B)   [Ar]4s23d104p7
C)   [Kr]
D)   [Kr]5s24d105p7
E)   [Xe]F) All of the above
G) A) and C)

Question 18

Which one of the following elements forms a stable 1- anion

Accepted Answer

A)   K
B)   Be
C)   Al
D)   O
E)   IF) C) and D)
G) A) and D)

Question 19

The Mg2+ ion is smaller than F-, even though they are isoelectronic.

Accepted Answer

A) True 
 B)False

Question 20

Which of the elements listed below has the smallest first ionization energy

Accepted Answer

A)   C
B)   Ge
C)   P
D)   O
E)   SeF) B) and C)
G) A) and C)

Exam 8: Periodic Relationships Among the Elements

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

Correct Answer
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For phosphorus atoms, which ionization energy will show an exceptionally large increase over the previous ionization energy

Correct Answer
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Which of the atoms listed below has the smallest radius

Correct Answer
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Which of the following is the electron configuration for the bromide ion

Correct Answer
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Concerning the electron configuration of P, 1s²2s²2p⁶3s²3p⁴, which, if any, is the configuration for the valence shell electrons only

Correct Answer
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Which of the following elements has the greatest metallic character

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

Correct Answer
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The Mg²⁺ ion is smaller than F^-, even though they are isoelectronic.

Correct Answer
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Which one of the following elements forms a stable 2+ cation

Correct Answer
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What are the products of the following reaction SO₂(g) + H₂O(l) $\rarr$

Correct Answer
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How many electrons does a bromine atom need to fill its outermost s and p subshells

Correct Answer
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Which of the elements listed below has the smallest first ionization energy

Correct Answer
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The law of octaves states that every eighth element has similar properties when arranged in order of increasing

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

Correct Answer
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Which, if any, is the ground-state electron configuration for Ca²⁺

Correct Answer
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Sodium ions are more reactive than sodium atoms.

Correct Answer
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Consider the following reaction: 3Li + Z $\rarr$ Li₃Z. What is a reasonable guess for the identity of element Z

Correct Answer
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Which one of the following elements forms a stable 1- anion

Correct Answer
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Consider the following reaction 2A + 3F₂ $\rarr$ 2AF₃. What is a reasonable guess for the identity element A

Correct Answer
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Exam 8: Periodic Relationships Among the Elements

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

Correct AnswerverifiedShow Answer

For phosphorus atoms, which ionization energy will show an exceptionally large increase over the previous ionization energy

Correct AnswerverifiedShow Answer

Which of the atoms listed below has the smallest radius

Correct AnswerverifiedShow Answer

Which of the following is the electron configuration for the bromide ion

Correct AnswerverifiedShow Answer

Concerning the electron configuration of P, 1s22s22p63s23p4, which, if any, is the configuration for the valence shell electrons only

Correct AnswerverifiedShow Answer

Which of the following elements has the greatest metallic character

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The Mg2+ ion is smaller than F-, even though they are isoelectronic.

Correct AnswerverifiedShow Answer

Which one of the following elements forms a stable 2+ cation

Correct AnswerverifiedShow Answer

What are the products of the following reaction SO2(g) + H2O(l) →\rarr→

Correct AnswerverifiedShow Answer

How many electrons does a bromine atom need to fill its outermost s and p subshells

Correct AnswerverifiedShow Answer

Which of the elements listed below has the smallest first ionization energy

Correct AnswerverifiedShow Answer

The law of octaves states that every eighth element has similar properties when arranged in order of increasing

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which, if any, is the ground-state electron configuration for Ca2+

Correct AnswerverifiedShow Answer

Sodium ions are more reactive than sodium atoms.

Correct AnswerverifiedShow Answer

Consider the following reaction: 3Li + Z →\rarr→ Li3Z. What is a reasonable guess for the identity of element Z

Correct AnswerverifiedShow Answer

Which one of the following elements forms a stable 1- anion

Correct AnswerverifiedShow Answer

Consider the following reaction 2A + 3F2 →\rarr→ 2AF3. What is a reasonable guess for the identity element A

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Concerning the electron configuration of P, 1s²2s²2p⁶3s²3p⁴, which, if any, is the configuration for the valence shell electrons only

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

Correct Answer
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The Mg²⁺ ion is smaller than F^-, even though they are isoelectronic.

Correct Answer
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Correct Answer
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What are the products of the following reaction SO₂(g) + H₂O(l) $\rarr$

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

Correct Answer
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Which, if any, is the ground-state electron configuration for Ca²⁺

Correct Answer
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Correct Answer
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Consider the following reaction: 3Li + Z $\rarr$ Li₃Z. What is a reasonable guess for the identity of element Z

Correct Answer
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Correct Answer
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Consider the following reaction 2A + 3F₂ $\rarr$ 2AF₃. What is a reasonable guess for the identity element A

Correct Answer
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