Question 1

Give the number of valence electrons for Pb.

Accepted Answer

A)  4 
B)  2 
C)  28 
D)  12 
E)  26 
A)  4 
B)  2 
C)  28 
D)  12 
E)  26

Question 2

Give the ground state electron configuration for Pb.

Accepted Answer

A)  [Xe]6s26p2 
B)  [Xe]6s25d106p2 
C)  [Xe]6s25f146d106p2 
D)  [Xe]6s24f145d106p2 
E)  [Xe]6s24f145d106s26p2 
A)  [Xe]6s26p2 
B)  [Xe]6s25d106p2 
C)  [Xe]6s25f146d106p2 
D)  [Xe]6s24f145d106p2 
E)  [Xe]6s24f145d106s26p2

Question 3

Identify the number of valence electrons in As-3.

Accepted Answer

A)  6 
B)  7 
C)  8 
D)  5 
E)  2 
A)  6 
B)  7 
C)  8 
D)  5 
E)  2

Question 4

Which of the following represents the change in electronic configuration that is associated with the first ionization of magnesium?

Accepted Answer

A)  [Ne]3s13p1 → [Ne]3s1 + e- 
B)  [Ne]3s2 → [Ne]3s13p1 
C)  [Ne]3s2 → [Ne]3s1 + e- 
D)  [Ne]3s2 + e- → [Ne]3s23p1 
A)  [Ne]3s13p1 → [Ne]3s1 + e- 
B)  [Ne]3s2 → [Ne]3s13p1 
C)  [Ne]3s2 → [Ne]3s1 + e- 
D)  [Ne]3s2 + e- → [Ne]3s23p1

Question 5

Identify a characteristic of halogens.

Accepted Answer

A)  powerful reducing agents 
B)  forms water in reactions 
C)  powerful oxidizing agents 
D)  absorbs water in reactions 
E)  inert 
A)  powerful reducing agents 
B)  forms water in reactions 
C)  powerful oxidizing agents 
D)  absorbs water in reactions 
E)  inert

Question 6

Describe the reaction of the noble gases with metals.

Accepted Answer

A)  inert 
B)  vigorous 
C)  mild reaction 
D)  forms water 
E)  dissolves 
A)  inert 
B)  vigorous 
C)  mild reaction 
D)  forms water 
E)  dissolves

Question 7

Give the number of core electrons for Te.

Accepted Answer

A)  2 
B)  6 
C)  46 
D)  50 
E)  11 
A)  2 
B)  6 
C)  46 
D)  50 
E)  11

Question 8

How many of the following species are paramagnetic? Sc3⁺ Cl⁻ Ca2⁺ Se

Accepted Answer

A)  0 
B)  2 
C)  1 
D)  4 
E)  3 
A)  0 
B)  2 
C)  1 
D)  4 
E)  3

Question 9

Choose the paramagnetic species from below.

Accepted Answer

A)  Ba 
B)  O2⁻ 
C)  Zn2⁺ 
D)  Cd 
E)  Nb3⁺ 
A)  Ba 
B)  O2⁻ 
C)  Zn2⁺ 
D)  Cd 
E)  Nb3⁺

Question 10

Choose the ground state electron configuration for Cr3⁺.

Accepted Answer

A)  [Ar]4s13d2 
B)  [Ar] 
C)  [Ar]4s23d6 
D)  [Ar]3d3 
E)  [Ar]4s23d1 
A)  [Ar]4s13d2 
B)  [Ar] 
C)  [Ar]4s23d6 
D)  [Ar]3d3 
E)  [Ar]4s23d1

Question 11

Give the complete electronic configuration for oxygen.

Accepted Answer

A)  1s22s22py22pz2 
B)  1s22s22px22py12pz1 
C)  1s22s22px22pz2 
D)  1s22s22px22py2 
E)  1s22s22px4 
A)  1s22s22py22pz2 
B)  1s22s22px22py12pz1 
C)  1s22s22px22pz2 
D)  1s22s22px22py2 
E)  1s22s22px4

Question 12

Identify the element with the highest density.

Accepted Answer

A)  F 
B)  Cl 
C)  Br 
D)  I 
A)  F 
B)  Cl 
C)  Br 
D)  I

Question 13

Which of the following have their valence electrons in the same shell?

Accepted Answer

A)  Rb, Sb, I 
B)  Al, Ge, Sb 
C)  P, As, Sb 
D)  He, Ne, F 
E)  Zn, Cd, Hg 
A)  Rb, Sb, I 
B)  Al, Ge, Sb 
C)  P, As, Sb 
D)  He, Ne, F 
E)  Zn, Cd, Hg

Question 14

List the noble gas that has the highest ionization energy.

Accepted Answer

The answer of List the noble gas that has the...

Question 15

Give the complete electronic configuration for Mn.

Accepted Answer

A)  1s22s22p63s23p64s24d5 
B)  1s22s22p63s23p64s13d6 
C)  1s22s22p63s23p64s23d5 
D)  1s22s22p63s23p64s24p5 
A)  1s22s22p63s23p64s24d5 
B)  1s22s22p63s23p64s13d6 
C)  1s22s22p63s23p64s23d5 
D)  1s22s22p63s23p64s24p5

Question 16

Which ionization process requires the most energy?

Accepted Answer

A)  S(g) → S+(g) + e- 
B)  S+(g) → S2+(g) + e- 
C)  Cl(g) → Cl+(g) + e- 
D)  Cl+(g) → Cl2+(g) + e- 
A)  S(g) → S+(g) + e- 
B)  S+(g) → S2+(g) + e- 
C)  Cl(g) → Cl+(g) + e- 
D)  Cl+(g) → Cl2+(g) + e-

Question 17

How many valence electrons do the alkali metals possess?

Accepted Answer

A)  1 
B)  2 
C)  7 
D)  6 
E)  8 
A)  1 
B)  2 
C)  7 
D)  6 
E)  8

Question 18

Choose the ground state electron configuration for Zn2⁺.

Accepted Answer

A)  [Ar]4s23d8 
B)  [Ar]3d10 
C)  [Ar]4s23d6 
D)  [Ar] 
E)  [Ar]3d8 
A)  [Ar]4s23d8 
B)  [Ar]3d10 
C)  [Ar]4s23d6 
D)  [Ar] 
E)  [Ar]3d8

Question 19

How many valence electrons do the noble gases possess?

Accepted Answer

A)  1 
B)  2 
C)  7 
D)  6 
E)  8 
A)  1 
B)  2 
C)  7 
D)  6 
E)  8

Question 20

Give the ground state electron configuration for Sr.

Accepted Answer

A)  [Kr]5s24d2 
B)  [Kr]5s24d105p2 
C)  [Kr]5s2 
D)  [Kr]5s25d105p2 
E)  [Kr]5s24d10 
A)  [Kr]5s24d2 
B)  [Kr]5s24d105p2 
C)  [Kr]5s2 
D)  [Kr]5s25d105p2 
E)  [Kr]5s24d10

Exam 8: Periodic Properties of the Elements

Give the number of valence electrons for Pb.

Give the ground state electron configuration for Pb.

Identify the number of valence electrons in As-3.

Which of the following represents the change in electronic configuration that is associated with the first ionization of magnesium?

Identify a characteristic of halogens.

Describe the reaction of the noble gases with metals.

Give the number of core electrons for Te.

How many of the following species are paramagnetic? Sc3⁺ Cl⁻ Ca2⁺ Se

Choose the paramagnetic species from below.

Choose the ground state electron configuration for Cr3⁺.

Give the complete electronic configuration for oxygen.

Identify the element with the highest density.

Which of the following have their valence electrons in the same shell?

List the noble gas that has the highest ionization energy.

Give the complete electronic configuration for Mn.

Which ionization process requires the most energy?

How many valence electrons do the alkali metals possess?

Choose the ground state electron configuration for Zn2⁺.

How many valence electrons do the noble gases possess?

Give the ground state electron configuration for Sr.

Matter, measurement, and Problem Solving

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Identify the number of valence electrons in As^-3.

How many of the following species are paramagnetic? Sc³⁺ Cl⁻ Ca²^⁺ Se

Choose the ground state electron configuration for Cr³⁺.

Choose the ground state electron configuration for Zn²⁺.