Question 1

Which of the elements listed below has the greatest atomic radius

Accepted Answer

A)   B
B)   Al
C)   S
D)   P
E)   Si

Question 2

For silicon atoms, which ionization energy will show an exceptionally large increase over the preceding ionization energy

Accepted Answer

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

Question 3

Which of the following ground-state ions has the largest number of unpaired electrons

Accepted Answer

A)   Cr2+
B)   Mn2+
C)   Ni2+
D)   Cu+
E)   Co2+

Question 4

Which of the following elements has the smallest first ionization energy

Accepted Answer

A)   Cl
B)   Na
C)   Be
D)   K
E)   As

Question 5

Which element will display an unusually large jump in ionization energy values between I3 and I4, its third and fourth ionization energies

Accepted Answer

A)   Na
B)   Mg
C)   Al
D)   Si
E)   P

Question 6

The second ionization energy of Mg is ________ than its first ionization energy, and is __________ than the second ionization energy of Na.

Accepted Answer

A)   higher, higher
B)   lower, higher
C)   higher, lower
D)   lower, lower

Question 7

Which of the following elements is found as a monatomic species in its most stable form

Accepted Answer

A)   nitrogen
B)   neon
C)   sulfur
D)   chlorine
E)   fluorine

Question 8

Which of the following is the general electron configuration for the outermost electrons of the noble gases

Accepted Answer

A)   ns2np6
B)   ns2np5
C)   ns2np4
D)   ns2np3
E)   ns2

Question 9

How many 3d electrons does the manganese(II)  ion, Mn2+, have

Accepted Answer

A)   3
B)   4
C)   5
D)   6
E)   7

Question 10

How many core electrons does a silicon atom have

Accepted Answer

A)   14
B)   10
C)   4
D)   8
E)   2

Question 11

Which of the following reactants can be combined to produce hydrogen gas as a product

Accepted Answer

A)   N2O5(s)  + H2O(l)   →\rarr→ 
B)   H2(g)  + Cl2(g)   →\rarr→ 
C)   2 F2(g)  + 2H2O(l)   →\rarr→ 
D)   Mg(s)  + 2H+(aq)   →\rarr→ 
E)   2H2(g)  + O2(g)   →\rarr→

Question 12

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

Accepted Answer

A)   A2S3
B)   A3S2
C)   AS3
D)   A3S
E)   AS

Question 13

How many valence electrons does P3- have

Accepted Answer

A)   3
B)   8
C)   15
D)   1
E)   18

Question 14

Which of the following is the general electron configuration for the outermost electrons of the halogens

Accepted Answer

A)   ns2np6
B)   ns2np5
C)   ns2np6(n -1) d7
D)   ns1
E)   ns2np7

Question 15

Which of the following atoms has the greatest electron affinity (largest positive value)

Accepted Answer

A)   S
B)   P
C)   Ga
D)   Li
E)   Br

Question 16

Which of the following elements behaves chemically similarly to oxygen

Accepted Answer

A)   magnesium
B)   sodium
C)   sulfur
D)   chlorine
E)   iron

Question 17

Concerning the electron configuration of F, 1s22s22p5, which, if any, is the configuration for the valence shell electrons only

Accepted Answer

A)   1s22s22p5
B)   2p5
C)   1s2
D)   2s22p5
E)   None of the above

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-

Question 19

Consider the element with the electron configuration [Kr]5s24d105p5. This element is

Accepted Answer

A)   a representative element
B)   a transition metal
C)   an alkali metal
D)   an actinide element
E)   a noble gas

Question 20

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

Accepted Answer

A)   1s22s22p63s23p64s23d104p65s24d105p5
B)   [Xe] or 1s22s22p63s23p64s23d104p65s24d105p6
C)   [Xe] or 1s22s22p63s23p64s23d104p65s25p6
D)   [Xe] or 1s22s22p63s23p64s23d104p65s24f105p6
E)   None of the above

Exam 8: Periodic Relationships Among the Elements

Which element will display an unusually large jump in ionization energy values between I3 and I4, its third and fourth ionization energies

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Which of the elements listed below has the greatest atomic radius

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Which of the following is the general electron configuration for the outermost electrons of the halogens

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Which of the following ground-state ions has the largest number of unpaired electrons

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Consider the element with the electron configuration [Kr]5s24d105p5. This element is

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Which of the following reactants can be combined to produce hydrogen gas as a product

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For silicon atoms, which ionization energy will show an exceptionally large increase over the preceding ionization energy

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Concerning the electron configuration of F, 1s22s22p5, which, if any, is the configuration for the valence shell electrons only

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How many 3d electrons does the manganese(II) ion, Mn2+, have

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Which of the following elements has the smallest first ionization energy

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Which of the following is the general electron configuration for the outermost electrons of the noble gases

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The second ionization energy of Mg is ________ than its first ionization energy, and is __________ than the second ionization energy of Na.

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

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

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Which one of the following pairs are isoelectronic

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Which of the following atoms has the greatest electron affinity (largest positive value)

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Which of the following elements behaves chemically similarly to oxygen

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Which of the following elements is found as a monatomic species in its most stable form

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How many core electrons does a silicon atom have

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How many valence electrons does P3- have

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Which element will display an unusually large jump in ionization energy values between I₃ and I₄, its third and fourth ionization energies

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Consider the element with the electron configuration [Kr]5s²4d¹⁰5p⁵. This element is

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Concerning the electron configuration of F, 1s²2s²2p⁵, which, if any, is the configuration for the valence shell electrons only

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How many 3d electrons does the manganese(II) ion, Mn²⁺, have

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The second ionization energy of Mg is than its first ionization energy, and is __ than the second ionization energy of Na.

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

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Which, if any, is the ground-state electron configuration for I^-

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How many valence electrons does P^3- have

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