Question 1

-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) D 
A) A 
B) B 
C) C 
D) D

Question 2

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

Accepted Answer

A) Rb2O 
B) Sr O  
C) In2O3 
D) C O2 
A) Rb2O 
B) Sr O  
C) In2O3 
D) C O2

Question 3

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 3 
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 3

Question 4

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) 
A) picture (a) 
B) picture (b) 
C) picture (c) 
D) picture (d)

Question 5

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

Accepted Answer

Question 6

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

Question 7

The four spheres below represent NaS1U1P1+S1S1P0,MgS1U1P12+S1S1P0,F⁻,and OS1U1P12-S1S1P0,not necessarily in that order.  
-Which sphere most likely represents the Na⁺ ion?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 8

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) 
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)

Question 9

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 10

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-. 
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-.

Question 11

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 > F2 
A) F2 > Cl2 > Br2 > I2 
B) Cl2 > F2 > Br2 > I2 
C) Br2 > I2 > Cl2 > F2 
D) I2 > Br2 > Cl2 > F2

Question 12

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

Accepted Answer

A) Sc3+ 
B) Al3+ 
C) Ga3+ 
D) As3- 
A) Sc3+ 
B) Al3+ 
C) Ga3+ 
D) As3-

Question 13

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

Accepted Answer

Question 14

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

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 15

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

Accepted Answer

Question 16

-Which sphere represents the monatomic anion?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 17

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 3s1 
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 3s1

Question 18

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) 18 
A) 2 
B) 3 
C) 6 
D) 18

Question 19

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 20

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. 
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.

Exam 6: Ionic Bonds and Some Main-Group Chemistry

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

-Which sphere represents the monatomic anion?

Which electron affinity process would liberate the most energy?

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

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 ________.

An incorrect statement about the alkaline earth metals is:

Chemistry: Matter and Measurement

Atoms, molecules, and Ions

Formulas, equations, and Moles

Reactions in Aqueous Solutions

Periodicity and the Atomic Structure of Atoms

Covalent Bonds and Molecular Structure

Thermochemistry: Chemical Energy

Gases: Their Properties and Behavior

Liquids,solids,and Phase Changes

Solutions and Their Properties

Chemical Kinetics

Chemical Equilibrium

Aqueous Equilibria: Acids and Bases

Applications of Aqueous Equilibria

Thermodynamics: Entropy, free Energy, and Equilibrium

Electrochemistry

Hydrogen, oxygen, and Water

The Main-Group Elements

Transition Elements and Coordination Chemistry

Metals and Solid-State Materials

Nuclear Chemistry

Organic and Biological Chemistry

Filters

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

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

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

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

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

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

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

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

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 ________.