Question 1

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 aboveF) B) and D)
G) C) and D)

Question 2

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)   ns2np7F) A) and B)
G) None of the above

Question 3

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)   6thF) A) and B)
G) B) and E)

Question 4

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→F) A) and C)
G) D) and E)

Question 5

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, lowerE) C) and D)
F) A) and B)

Question 6

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 7

How many core electrons does a silicon atom have

Accepted Answer

A)   14
B)   10
C)   4
D)   8
E)   2F) B) and E)
G) A) and B)

Question 8

Which of the elements listed below has the greatest atomic radius

Accepted Answer

A)   B
B)   Al
C)   S
D)   P
E)   SiF) All of the above
G) B) and D)

Question 9

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)   PF) A) and E)
G) All of the above

Question 10

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)   fluorineF) C) and D)
G) B) and C)

Question 11

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 aboveF) D) and E)
G) All of the above

Question 12

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 gasF) None of the above
G) A) and B)

Question 13

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+F) A) and B)
G) C) and E)

Question 14

Which of the following elements has the smallest first ionization energy

Accepted Answer

A)   Cl
B)   Na
C)   Be
D)   K
E)   AsF) A) and C)
G) A) and D)

Question 15

Which of the following elements behaves chemically similarly to oxygen

Accepted Answer

A)   magnesium
B)   sodium
C)   sulfur
D)   chlorine
E)   ironF) C) and E)
G) B) and E)

Question 16

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

Accepted Answer

A)   S
B)   P
C)   Ga
D)   Li
E)   BrF) A) and D)
G) A) and C)

Question 17

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

Question 18

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)   ns2F) B) and E)
G) A) and C)

Question 19

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

Accepted Answer

A)   3
B)   4
C)   5
D)   6
E)   7F) B) and E)
G) D) and E)

Question 20

How many valence electrons does P3- have

Accepted Answer

A)   3
B)   8
C)   15
D)   1
E)   18F) B) and E)
G) A) and E)

Exam 8: Periodic Relationships Among the Elements

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

Correct AnswerverifiedShow Answer

Which one of the following pairs are isoelectronic

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following elements behaves chemically similarly to oxygen

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

How many core electrons does a silicon atom have

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

How many valence electrons does P3- have

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following elements has the smallest first ionization energy

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the elements listed below has the greatest atomic radius

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

How many valence electrons does P^3- have

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified