Question 1

Identify the inner transition element.

Accepted Answer

A)  Es 
B)  Os 
C)  Na 
D)  F 
E)  None of the above 
A)  Es 
B)  Os 
C)  Na 
D)  F 
E)  None of the above

Question 2

Which reaction below represents the electron affinity of S?

Accepted Answer

A)  S(g) + e⁻ → S⁻(g) 
B)  S⁻(g) + e⁻ → S2⁻(g) 
C)  S(g) → S⁺(g) + e⁻ 
D)  S⁻(g) → S(g) + e⁻ 
E)  S2⁻(g) → S⁻(g) + e⁻ 
A)  S(g) + e⁻ → S⁻(g) 
B)  S⁻(g) + e⁻ → S2⁻(g) 
C)  S(g) → S⁺(g) + e⁻ 
D)  S⁻(g) → S(g) + e⁻ 
E)  S2⁻(g) → S⁻(g) + e⁻

Question 3

Choose the ground state electron configuration for Ti2⁺.

Accepted Answer

A)  [Ar]3d2 
B)  [Ar]4s2 
C)  [Ar]4s23d2 
D)  [Ar]4s23d4 
E)  [Ar]3d4 
A)  [Ar]3d2 
B)  [Ar]4s2 
C)  [Ar]4s23d2 
D)  [Ar]4s23d4 
E)  [Ar]3d4

Question 4

Which reaction below represents the first ionization of Sb?

Accepted Answer

A)  Sb+(g) + e⁻ → Sb2+(g) 
B)  Sb(g) + e⁻ → Sb⁻(g) 
C)  Sb2-(g) → Sb3-(g) + e⁻ 
D)  Sb(g) → Sb⁺(g) + e⁻ 
E)  Sb-(g) + e⁻ → Sb2-(g) 
A)  Sb+(g) + e⁻ → Sb2+(g) 
B)  Sb(g) + e⁻ → Sb⁻(g) 
C)  Sb2-(g) → Sb3-(g) + e⁻ 
D)  Sb(g) → Sb⁺(g) + e⁻ 
E)  Sb-(g) + e⁻ → Sb2-(g)

Question 5

Identify the p-block element.

Accepted Answer

A)  Es 
B)  Fe 
C)  Na 
D)  Te 
E)  None of the above 
A)  Es 
B)  Fe 
C)  Na 
D)  Te 
E)  None of the above

Question 6

The element that corresponds to the electron configuration 1s22s22p63s23p64s23d1 is

Accepted Answer

A)  iron. 
B)  titanium. 
C)  scandium. 
D)  vanadium. 
E)  manganese. 
A)  iron. 
B)  titanium. 
C)  scandium. 
D)  vanadium. 
E)  manganese.

Question 7

How many valence electrons do the halogens possess?

Accepted Answer

A)  5 
B)  6 
C)  2 
D)  1 
E)  7 
A)  5 
B)  6 
C)  2 
D)  1 
E)  7

Question 8

No two electrons can have the same four quantum numbers is known as (the)

Accepted Answer

A)  Pauli exclusion principle. 
B)  Hund's rule. 
C)  Aufbau principle. 
D)  Heisenberg uncertainty principle. 
A)  Pauli exclusion principle. 
B)  Hund's rule. 
C)  Aufbau principle. 
D)  Heisenberg uncertainty principle.

Question 9

Which element has the most negative electron affinity?

Accepted Answer

A)  K 
B)  Mg 
C)  Se 
D)  Xe 
E)  B 
A)  K 
B)  Mg 
C)  Se 
D)  Xe 
E)  B

Question 10

Match between columns
                        Premises: core electrons
number of unpaired electrons in Na
0
number of unpaired electrons in TiS1U1P12+S1S1P0
valence electrons

Accepted Answer

The Answer of electrons in the outermost shell and number is...

Question 11

Give the electron configuration for O.

Accepted Answer

A)  1s22s22p4 
B)  1s22p4 
C)  1s22s22p3 
D)  1s22s12p5 
E)  1s22s22p2 
A)  1s22s22p4 
B)  1s22p4 
C)  1s22s22p3 
D)  1s22s12p5 
E)  1s22s22p2

Question 12

Give the ground state electron configuration for F⁻.

Accepted Answer

A)  1s22s22p6 
B)  1s22s22p5 
C)  1s22s22p4 
D)  1s22s22p3 
E)  1s22s22p2 
A)  1s22s22p6 
B)  1s22s22p5 
C)  1s22s22p4 
D)  1s22s22p3 
E)  1s22s22p2

Question 13

Of the following,which element has the highest first ionization energy?

Accepted Answer

A)  beryllium 
B)  hydrogen 
C)  boron 
D)  lithium 
A)  beryllium 
B)  hydrogen 
C)  boron 
D)  lithium

Question 14

Give the ground state electron configuration for Rb+.

Accepted Answer

A)  [Ar]4s24p4 
B)  [Kr]5s1 
C)  [Ar]4s23d104p6 
D)  [Kr]4s2 
E)  [Kr]5s24d6 
A)  [Ar]4s24p4 
B)  [Kr]5s1 
C)  [Ar]4s23d104p6 
D)  [Kr]4s2 
E)  [Kr]5s24d6

Question 15

Give the number of valence electrons for Cl.

Accepted Answer

A)  8 
B)  9 
C)  2 
D)  3 
E)  7 
A)  8 
B)  9 
C)  2 
D)  3 
E)  7

Question 16

Place the following in order of increasing metallic character. Rb Cs K Na

Accepted Answer

A)  K < Cs < Na < Rb 
B)  Na < K < Rb < Cs 
C)  Cs < Rb < K < Na 
D)  K < Cs < Rb < Na 
E)  Na < Rb < Cs < K 
A)  K < Cs < Na < Rb 
B)  Na < K < Rb < Cs 
C)  Cs < Rb < K < Na 
D)  K < Cs < Rb < Na 
E)  Na < Rb < Cs < K

Question 17

How many valence electrons does an atom of Ca possess?

Accepted Answer

A)  2 
B)  4 
C)  8 
D)  6 
E)  3 
A)  2 
B)  4 
C)  8 
D)  6 
E)  3

Question 18

Give the number of valence electrons for I-.

Accepted Answer

A)  52 
B)  54 
C)  4 
D)  8 
E)  12 
A)  52 
B)  54 
C)  4 
D)  8 
E)  12

Question 19

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

Accepted Answer

A)  Si4+ 
B)  Al3+ 
C)  Sn2+ 
D)  Se2- 
A)  Si4+ 
B)  Al3+ 
C)  Sn2+ 
D)  Se2-

Question 20

An element that has the valence electron configuration 5s25p5 belongs to which period and group?

Accepted Answer

A)  period 5; group 5A 
B)  period 5; group 7A 
C)  period 6; group 5A 
D)  period 6; group 7A 
A)  period 5; group 5A 
B)  period 5; group 7A 
C)  period 6; group 5A 
D)  period 6; group 7A

Exam 8: Periodic Properties of the Elements

Identify the inner transition element.

Which reaction below represents the electron affinity of S?

Choose the ground state electron configuration for Ti2⁺.

Which reaction below represents the first ionization of Sb?

Identify the p-block element.

The element that corresponds to the electron configuration 1s22s22p63s23p64s23d1 is

How many valence electrons do the halogens possess?

No two electrons can have the same four quantum numbers is known as (the)

Which element has the most negative electron affinity?

Give the electron configuration for O.

Give the ground state electron configuration for F⁻.

Of the following,which element has the highest first ionization energy?

Give the ground state electron configuration for Rb+.

Give the number of valence electrons for Cl.

Place the following in order of increasing metallic character. Rb Cs K Na

How many valence electrons does an atom of Ca possess?

Give the number of valence electrons for I-.

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

An element that has the valence electron configuration 5s25p5 belongs to which period and group?

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

Choose the ground state electron configuration for Ti²⁺.

The element that corresponds to the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹ is

Give the ground state electron configuration for Rb⁺.

Give the number of valence electrons for I^-.

An element that has the valence electron configuration 5s²5p⁵ belongs to which period and group?