Question 1

Consider the following reaction: 3Li + Z $\rarr$Li3Z. What is the formula for the compound if we substitute magnesium for lithium

Accepted Answer

A)  MgZ 
B)  Mg2Z 
C)  MgZ2 
D)  Mg3Z 
E)  Mg3Z2 
A)  MgZ 
B)  Mg2Z 
C)  MgZ2 
D)  Mg3Z 
E)  Mg3Z2

Question 2

The effective nuclear charge (Zeff) felt by the outermost electrons is the strongest for which of the following elements

Accepted Answer

A)  B 
B)  C 
C)  N 
D)  O 
E)  F 
A)  B 
B)  C 
C)  N 
D)  O 
E)  F

Question 3

Consider the following reaction: 3Li + Z $\rarr$Li3Z. What is the formula for the compound if we substitute sodium for lithium

Accepted Answer

A)  NaZ 
B)  Na2Z 
C)  NaZ2 
D)  Na3Z 
E)  NaZ3 
A)  NaZ 
B)  Na2Z 
C)  NaZ2 
D)  Na3Z 
E)  NaZ3

Question 4

Which, if any, is the ground-state electron configuration for O2-?

Accepted Answer

A)  1s22s22p3 
B)  1s22s22p4 
C)  1s22s22p63s2 
D)  [Ne] or 1s22s22p6 
E)  None of the above 
A)  1s22s22p3 
B)  1s22s22p4 
C)  1s22s22p63s2 
D)  [Ne] or 1s22s22p6 
E)  None of the above

Question 5

What are the products of the following reaction
2 Li(s) + 2H2O(l) $\rarr$

Accepted Answer

A)  Li2O2(s) + 2 H2(g) 
B)  2Li2O(s) + 2 H2(g) 
C)  2 LiOH(aq) + H2(g) 
D)  2 Li(s) + 2H2O(l) 
E)  LiO2(s) + 2H2(g) 
A)  Li2O2(s) + 2 H2(g) 
B)  2Li2O(s) + 2 H2(g) 
C)  2 LiOH(aq) + H2(g) 
D)  2 Li(s) + 2H2O(l) 
E)  LiO2(s) + 2H2(g)

Question 6

Which two electron configurations represent elements that would have similar chemical properties
(1) 1s22s22p4 (2) 1s22s22p5 (3) [Ar]4s23d5 (4) [Ar]4s23d104p5

Accepted Answer

A)  (1) and (2) 
B)  (1) and (3) 
C)  (2) and (3) 
D)  (2) and (4) 
E)  (3) and (4) 
A)  (1) and (2) 
B)  (1) and (3) 
C)  (2) and (3) 
D)  (2) and (4) 
E)  (3) and (4)

Question 7

Which, if any, is the ground-state electron configuration for Cr3+

Accepted Answer

A)  [Ar]3d2 or 1s22s22p63s23p63d2 
B)  [Ar]3d4 or 1s22s22p63s23p63d4 
C)  [Ar]3p3 or 1s22s22p63s23p3 
D)  [Ar]3d3 or 1s22s22p63s23p63d3 
E)  None of the above 
A)  [Ar]3d2 or 1s22s22p63s23p63d2 
B)  [Ar]3d4 or 1s22s22p63s23p63d4 
C)  [Ar]3p3 or 1s22s22p63s23p3 
D)  [Ar]3d3 or 1s22s22p63s23p63d3 
E)  None of the above

Question 8

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

Accepted Answer

A)  6 
B)  8 
C)  4 
D)  2 
E)  1 
A)  6 
B)  8 
C)  4 
D)  2 
E)  1

Question 9

Which of the following is a basic oxide

Accepted Answer

A)  NO2 
B)  H2O 
C)  Na2O 
D)  SnO 
E)  SO2 
A)  NO2 
B)  H2O 
C)  Na2O 
D)  SnO 
E)  SO2

Question 10

The effective nuclear charge (Zeff) felt by the outermost electrons is the strongest for which of the following elements

Accepted Answer

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

Question 11

Which of the following is an amphoteric oxide

Accepted Answer

A)  Na2O 
B)  MgO 
C)  Al2O3 
D)  SO2 
E)  Cl2O7 
A)  Na2O 
B)  MgO 
C)  Al2O3 
D)  SO2 
E)  Cl2O7

Question 12

Arrange the following ions in order of decreasing ionic radius: Al3+, Mg2+, Na+, O2-.decreasing radius $\rarr$

Accepted Answer

A)  Al3+ > Mg2+ > O2- > Na+ 
B)  Al3+ > Mg2+ > Na+ > O2- 
C)  Na+ > Mg2+ > Al3+ > O2- 
D)  O2- > Al3+ > Mg2+ > Na+ 
E)  O2- > Na+ > Mg2+ > Al3+ 
A)  Al3+ > Mg2+ > O2- > Na+ 
B)  Al3+ > Mg2+ > Na+ > O2- 
C)  Na+ > Mg2+ > Al3+ > O2- 
D)  O2- > Al3+ > Mg2+ > Na+ 
E)  O2- > Na+ > Mg2+ > Al3+

Question 13

How many core electrons does a chlorine atom have

Accepted Answer

A)  17 
B)  7 
C)  10 
D)  18 
E)  8 
A)  17 
B)  7 
C)  10 
D)  18 
E)  8

Question 14

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

Accepted Answer

A)  He 
B)  Ne 
C)  Ar 
D)  Kr 
E)  Xe 
A)  He 
B)  Ne 
C)  Ar 
D)  Kr 
E)  Xe

Question 15

How many electrons are in the 4p subshell of selenium

Accepted Answer

A)  0 
B)  2 
C)  4 
D)  5 
E)  6 
A)  0 
B)  2 
C)  4 
D)  5 
E)  6

Question 16

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

Accepted Answer

A)  bromine 
B)  neon 
C)  sulfur 
D)  xenon 
E)  phosphorus 
A)  bromine 
B)  neon 
C)  sulfur 
D)  xenon 
E)  phosphorus

Question 17

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.)

Accepted Answer

A)  Ca 
B)  Si 
C)  Al 
D)  Se 
E)  P 
A)  Ca 
B)  Si 
C)  Al 
D)  Se 
E)  P

Question 18

Since arsenic is a nonmetal, As2O3 is expected to be a/an _____ oxide.

Accepted Answer

A)  acidic 
B)  ionic 
C)  amphoteric 
D)  neutral 
E)  basic 
A)  acidic 
B)  ionic 
C)  amphoteric 
D)  neutral 
E)  basic

Question 19

As the effective nuclear charge decreases, the electrons are pulled closer to the nucleus and thus the radius of the atom decreases.

Accepted Answer

A) True 
 B)False

Question 20

In a surprisingly large number of their properties, beryllium resembles aluminum and boron resembles silicon. Such a relationship is called

Accepted Answer

A)  amphoterism. 
B)  an allotropic relationship. 
C)  a diagonal relationship. 
D)  the periodic law. 
E)  an isoelectronic series. 
A)  amphoterism. 
B)  an allotropic relationship. 
C)  a diagonal relationship. 
D)  the periodic law. 
E)  an isoelectronic series.

Exam 8: Periodic Relationships Among the Elements

Consider the following reaction: 3Li + Z →\rarr→ Li3Z. What is the formula for the compound if we substitute magnesium for lithium

The effective nuclear charge (Zeff) felt by the outermost electrons is the strongest for which of the following elements

Consider the following reaction: 3Li + Z →\rarr→ Li3Z. What is the formula for the compound if we substitute sodium for lithium

Which, if any, is the ground-state electron configuration for O2-?

What are the products of the following reaction 2 Li(s) + 2H2O(l) →\rarr→

Which two electron configurations represent elements that would have similar chemical properties (1) 1s22s22p4 (2) 1s22s22p5 (3) [Ar]4s23d5 (4) [Ar]4s23d104p5

Which, if any, is the ground-state electron configuration for Cr3+

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

Which of the following is a basic oxide

The effective nuclear charge (Zeff) felt by the outermost electrons is the strongest for which of the following elements

Which of the following is an amphoteric oxide

Arrange the following ions in order of decreasing ionic radius: Al3+, Mg2+, Na+, O2-.decreasing radius →\rarr→

How many core electrons does a chlorine atom have

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

How many electrons are in the 4p subshell of selenium

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

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.)

Since arsenic is a nonmetal, As2O3 is expected to be a/an _____ oxide.

As the effective nuclear charge decreases, the electrons are pulled closer to the nucleus and thus the radius of the atom decreases.

In a surprisingly large number of their properties, beryllium resembles aluminum and boron resembles silicon. Such a relationship is called

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Consider the following reaction: 3Li + Z $\rarr$ Li₃Z. What is the formula for the compound if we substitute magnesium for lithium

The effective nuclear charge (Z_eff) felt by the outermost electrons is the strongest for which of the following elements

Consider the following reaction: 3Li + Z $\rarr$ Li₃Z. What is the formula for the compound if we substitute sodium for lithium

Which, if any, is the ground-state electron configuration for O^2-?

What are the products of the following reaction 2 Li(s) + 2H₂O(l) $\rarr$

Which two electron configurations represent elements that would have similar chemical properties (1) 1s²2s²2p⁴ (2) 1s²2s²2p⁵ (3) [Ar]4s²3d⁵ (4) [Ar]4s²3d¹⁰4p⁵

Which, if any, is the ground-state electron configuration for Cr³⁺

The effective nuclear charge (Z_eff) felt by the outermost electrons is the strongest for which of the following elements

Arrange the following ions in order of decreasing ionic radius: Al³⁺, Mg²⁺, Na⁺, O^2-.decreasing radius $\rarr$

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.)

Since arsenic is a nonmetal, As₂O₃ is expected to be a/an _____ oxide.