Question 1

Which ion does not have a noble gas configuration in its ground state?

Accepted Answer

A)  Sc3+
B)  Al3+
C)  Ga3+
D)  As3-E) A) and C)
F) A) and B)

Question 2

Using shorthand notation,the ground-state electron configuration of the platinum ion in Cs2Pt is ________.

Accepted Answer

Question 3

-Atoms of which element,indicated by letter on the periodic table,is expected to have the smallest atomic radius?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) A) and D)
F) A) and C)

Question 4

Which electron affinity process would liberate the most energy?

Accepted Answer

A)  [He] 2s2 + e- → [He] 2s2 2p1
B)  [He] 2s2 2p2 + e- → [He] 2s2 2p3
C)  [He] 2s2 2p3 + e- → [He] 2s2 2p4
D)  [He] 2s2 2p6 + e- → [He] 2s2 2p6 3s1E) A) and B)
F) B) and D)

Question 5

Metals tend to react with the halogens to form metal halides.What is the reactivity order for the halogens?

Accepted Answer

A)  F2 > Cl2 > Br2 > I2
B)  Cl2 > F2 > Br2 > I2
C)  Br2 > I2 > Cl2 > F2
D)  I2 > Br2 > Cl2 > F2E) A) and B)
F) B) and D)

Question 6

How many electrons are in the outermost shell of the In3+ ion in its ground state?

Accepted Answer

A)  2
B)  3
C)  6
D)  18E) All of the above
F) None of the above

Question 7

The number of electrons in the ion P3- is ________.

Accepted Answer

Question 8

Indicate which is larger in each of the following two sets.
(I) Cr3+ or Cr (II) Se2- or Se

Accepted Answer

A)  Cr3+ is larger than Cr and Se2- is larger than Se.
B)  Cr3+ is larger than Cr and Se is larger than Se2-.
C)  Cr is larger than Cr3+ and Se2- is larger than Se.
D)  Cr is larger than Cr3+ and Se is larger than Se2-.E) All of the above
F) A) and B)

Question 9

How many electrons does magnesium lose and nitrogen need to form Mg3N2?

Accepted Answer

A)  magnesium loses 2 and nitrogen gains 2
B)  magnesium loses 2 and nitrogen gains 3
C)  magnesium loses 3 and nitrogen gains 2
D)  magnesium loses 3 and nitrogen gains 3E) A) and D)
F) All of the above

Question 10

Group 2A metals tend to be somewhat less reactive than alkali metals,and the order of their reactivity is

Accepted Answer

A)  Ba > Sr > Ca > Mg > Be.
B)  Be > Mg > Ca > Sr > Ba.
C)  Ca > Mg > Be > Ba > Sr.
D)  Sr > Ca > Mg > Be > Ba.E) B) and D)
F) C) and D)

Question 11

The four spheres below represent Na+,Mg2+,F⁻,and O2-,not necessarily in that order. +,Mg2+,F⁻,and O2-,not necessarily in that order.   -Which sphere most likely represents the Na⁺ ion? A) A B) B C) C D) D" class="answers-bank-image d-inline" rel="preload" >
-Which sphere most likely represents the Na⁺ ion?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) B) and D)
F) B) and C)

Question 12

An incorrect statement about the alkaline earth metals is:

Accepted Answer

A)  Melting points generally decrease as one descends the group.
B)  Densities are less than those of the corresponding alkali elements of the same period.
C)  Ionic radii of the M2+ ion increases as one descends the group.
D)  The first ionization energy is less than that of the second ionization energy.E) A) and D)
F) All of the above

Question 13

The following pictures represent alkali halide salts. 
-Which salt has the highest lattice energy?

Accepted Answer

A)  picture (a) 
B)  picture (b) 
C)  picture (c) 
D)  picture (d) E) None of the above
F) All of the above

Question 14

Isoelectronic means having the same number of electrons.The dipositive ion that is isoelectronic with Br- is ________.

Accepted Answer

Question 15

Atoms of which element,indicated by letter on the periodic table,would be expected to have the most negative value of Eea? ea?   A) A B) B C) C D) D" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) None of the above
F) A) and C)

Question 16

When the equation for the reaction of KBr(aq)with MnO2(s)to produce Br2 and Mn2+(aq)in acidic solution is balanced,the coefficient in front of the Br2 is ________.

Accepted Answer

Question 17

-Which sphere represents the monatomic anion?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) B) and D)
F) All of the above

Question 18

Which ionic compound would be expected to have the highest lattice energy?

Accepted Answer

A)  Rb2O
B)  Sr O 
C)  In2O3
D)  C O2E) A) and B)
F) All of the above

Question 19

If niobium loses all of its valence electrons when it reacts with fluorine,what is the formula of the neutral binary compound that results?

Accepted Answer

The answer of If niobium loses all of its valence...

Question 20

Which is not a chemical reaction of the alkali metal potassium?

Accepted Answer

A)  K(s) + O2(g) → KO2(s) 
B)  2 K(s) + 2 H2O(l) → 2 KOH(aq) + H2(g) 
C)  2 K(s) + H2(g) → 2 KH(s) 
D)  6 K(s) + N2(g) → 2 K3N(s) E) A) and B)
F) All of the above

Exam 6: Ionic Bonds and Some Main-Group Chemistry

Which electron affinity process would liberate the most energy?

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Using shorthand notation,the ground-state electron configuration of the platinum ion in Cs2Pt is ________.

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Metals tend to react with the halogens to form metal halides.What is the reactivity order for the halogens?

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How many electrons are in the outermost shell of the In3+ ion in its ground state?

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The four spheres below represent Na+,Mg2+,F⁻,and O2-,not necessarily in that order. -Which sphere most likely represents the Na⁺ ion?

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Indicate which is larger in each of the following two sets. (I) Cr3+ or Cr (II) Se2- or Se

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-Which sphere represents the monatomic anion?

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Isoelectronic means having the same number of electrons.The dipositive ion that is isoelectronic with Br- is ________.

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The following pictures represent alkali halide salts. -Which salt has the highest lattice energy?

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Which ionic compound would be expected to have the highest lattice energy?

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The number of electrons in the ion P3- is ________.

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Atoms of which element,indicated by letter on the periodic table,would be expected to have the most negative value of Eea?

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If niobium loses all of its valence electrons when it reacts with fluorine,what is the formula of the neutral binary compound that results?

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When the equation for the reaction of KBr(aq)with MnO2(s)to produce Br2 and Mn2+(aq)in acidic solution is balanced,the coefficient in front of the Br2 is ________.

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-Atoms of which element,indicated by letter on the periodic table,is expected to have the smallest atomic radius?

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Which is not a chemical reaction of the alkali metal potassium?

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Group 2A metals tend to be somewhat less reactive than alkali metals,and the order of their reactivity is

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An incorrect statement about the alkaline earth metals is:

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Which ion does not have a noble gas configuration in its ground state?

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How many electrons does magnesium lose and nitrogen need to form Mg3N2?

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Using shorthand notation,the ground-state electron configuration of the platinum ion in Cs₂Pt is ________.

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How many electrons are in the outermost shell of the In³⁺ ion in its ground state?

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The four spheres below represent Na⁺,Mg²⁺,F⁻,and O^2-,not necessarily in that order. -Which sphere most likely represents the Na⁺ ion?

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Indicate which is larger in each of the following two sets. (I) Cr³⁺ or Cr (II) Se^2- or Se

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Isoelectronic means having the same number of electrons.The dipositive ion that is isoelectronic with Br^- is ________.

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The number of electrons in the ion P^3- is ________.

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Atoms of which element,indicated by letter on the periodic table,would be expected to have the most negative value of E_ea?

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When the equation for the reaction of KBr(aq)with MnO₂(s)to produce Br₂ and Mn²⁺(aq)in acidic solution is balanced,the coefficient in front of the Br₂ is ________.

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How many electrons does magnesium lose and nitrogen need to form Mg₃N₂?

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