Question 1

How many valence electrons do the alkaline earth metals possess?

Accepted Answer

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

Question 2

Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle)to the Ne atom.

Accepted Answer

A)  n = 2, l = 1, ml = 1, ms = +   
B)  n = 3, l = 1, ml = 1, ms = -   
C)  n = 3, l = 2, ml =1, ms = +   
D)  n = 2, l = 1, ml = 1, ms = -   
E)  n = 3, l =2, ml = 1, ms = -   
A)  n = 2, l = 1, ml = 1, ms = +   
B)  n = 3, l = 1, ml = 1, ms = -   
C)  n = 3, l = 2, ml =1, ms = +   
D)  n = 2, l = 1, ml = 1, ms = -   
E)  n = 3, l =2, ml = 1, ms = -   D

Question 3

Identify the s-block element.

Accepted Answer

A)  Cm 
B)  Ta 
C)  Na 
D)  F 
E)  None of the above 
A)  Cm 
B)  Ta 
C)  Na 
D)  F 
E)  None of the above C

Question 4

Identify the element that has a ground state electronic configuration of [Ar]4s23d104p6.

Accepted Answer

A)  Ar 
B)  Xe 
C)  Kr 
D)  N 
A)  Ar 
B)  Xe 
C)  Kr 
D)  N

Question 5

Identify the most reactive alkali metal with water.

Accepted Answer

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

Question 6

Identify the noble gas that is used by researchers to cool down samples for analysis.

Accepted Answer

A)  radon 
B)  neon 
C)  helium 
D)  iodine 
E)  oxygen 
A)  radon 
B)  neon 
C)  helium 
D)  iodine 
E)  oxygen

Question 7

How many valence electrons does an atom of Ar possess?

Accepted Answer

A)  2 
B)  4 
C)  7 
D)  0 
E)  8 
A)  2 
B)  4 
C)  7 
D)  0 
E)  8

Question 8

Choose the statement that is TRUE.

Accepted Answer

A)  Outer electrons efficiently shield one another from nuclear charge. 
B)  Core electrons effectively shield outer electrons from nuclear charge. 
C)  Valence electrons are most difficult of all electrons to remove. 
D)  Core electrons are the easiest of all electrons to remove. 
E)  All of the above are true. 
A)  Outer electrons efficiently shield one another from nuclear charge. 
B)  Core electrons effectively shield outer electrons from nuclear charge. 
C)  Valence electrons are most difficult of all electrons to remove. 
D)  Core electrons are the easiest of all electrons to remove. 
E)  All of the above are true.

Question 9

Give the number of valence electrons for Te.

Accepted Answer

A)  1 
B)  7 
C)  3 
D)  5 
E)  6 
A)  1 
B)  7 
C)  3 
D)  5 
E)  6

Question 10

A cation of +2 indicates that an element has

Accepted Answer

A)  lost two electrons. 
B)  lost two protons. 
C)  lost two neutrons. 
D)  gained two electrons. 
E)  gained two protons. 
A)  lost two electrons. 
B)  lost two protons. 
C)  lost two neutrons. 
D)  gained two electrons. 
E)  gained two protons.

Question 11

Identify the f-block element.

Accepted Answer

A)  Gd 
B)  Ta 
C)  K 
D)  S 
E)  None of the above 
A)  Gd 
B)  Ta 
C)  K 
D)  S 
E)  None of the above

Question 12

For a particular element,identify the species that has the smallest radius.

Accepted Answer

A)  cation 
B)  anion 
C)  neutral 
D)  radical 
E)  They are all the same size. 
A)  cation 
B)  anion 
C)  neutral 
D)  radical 
E)  They are all the same size.

Question 13

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

Accepted Answer

A)  In 
B)  I 
C)  Rb 
D)  Sb 
A)  In 
B)  I 
C)  Rb 
D)  Sb

Question 14

Place the following in order of decreasing metallic character. P As K

Accepted Answer

A)  P > As > K 
B)  As > P > K 
C)  K > P > As 
D)  As > K > P 
E)  K > As > P 
A)  P > As > K 
B)  As > P > K 
C)  K > P > As 
D)  As > K > P 
E)  K > As > P

Question 15

Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle)to the Cl atom.

Accepted Answer

A)  n = 3, l = 1, ml = 1, ms = +   
B)  n = 3, l = 0, ml = 1, ms = +   
C)  n = 3, l = 2, ml =1, ms = -   
D)  n = 2, l = 1, ml = 1, ms = +   
E)  n = 3, l =1, ml = 1, ms = -   
A)  n = 3, l = 1, ml = 1, ms = +   
B)  n = 3, l = 0, ml = 1, ms = +   
C)  n = 3, l = 2, ml =1, ms = -   
D)  n = 2, l = 1, ml = 1, ms = +   
E)  n = 3, l =1, ml = 1, ms = -

Question 16

Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle)to the Sr atom.

Accepted Answer

A)  n = 5, l = 0, ml = 0, ms = -   
B)  n = 4, l = 1, ml = -1 ms = -   
C)  n = 5, l = 0, ml = 0, ms = +   
D)  n = 4, l = 1, ml = -1, ms = +   
E)  n = 5, l = 1, ml =1, ms = -   
A)  n = 5, l = 0, ml = 0, ms = -   
B)  n = 4, l = 1, ml = -1 ms = -   
C)  n = 5, l = 0, ml = 0, ms = +   
D)  n = 4, l = 1, ml = -1, ms = +   
E)  n = 5, l = 1, ml =1, ms = -

Question 17

Give the ground state electron configuration for Cd.

Accepted Answer

A)  [Kr]5s25d10 
B)  [Kr]5s24d105p2 
C)  [Kr]4d10 
D)  [Kr]5s24d8 
E)  [Kr]5s24d10 
A)  [Kr]5s25d10 
B)  [Kr]5s24d105p2 
C)  [Kr]4d10 
D)  [Kr]5s24d8 
E)  [Kr]5s24d10

Question 18

Give the set of four quantum numbers that could represent the electron lost to form the K ION from the K atom.

Accepted Answer

A)  n = 3, l = 1, ml = 0, ms = +   
B)  n = 4, l = 0, ml = 0, ms = -   
C)  n = 4, l = 4, ml = 0, ms = +   
D)  n = 4, l = 0, ml = 0, ms = +   
E)  n = 3, l = 0, ml = 1, ms = -   
A)  n = 3, l = 1, ml = 0, ms = +   
B)  n = 4, l = 0, ml = 0, ms = -   
C)  n = 4, l = 4, ml = 0, ms = +   
D)  n = 4, l = 0, ml = 0, ms = +   
E)  n = 3, l = 0, ml = 1, ms = -

Question 19

Identify the species that has the smallest radius.

Accepted Answer

A)  Sb-5 
B)  Sb-3 
C)  Sb0 
D)  Sb+1 
E)  Sb+3 
A)  Sb-5 
B)  Sb-3 
C)  Sb0 
D)  Sb+1 
E)  Sb+3

Question 20

Choose the ground state electron configuration for Rf2⁺.

Accepted Answer

A)  [Rn]7s2 
B)  [Rn]7s26d2 
C)  [Rn]6d2 
D)  [Rn] 
E)  [Rn]7s26d4 
A)  [Rn]7s2 
B)  [Rn]7s26d2 
C)  [Rn]6d2 
D)  [Rn] 
E)  [Rn]7s26d4

Exam 8: Periodic Properties of the Elements

How many valence electrons do the alkaline earth metals possess?

Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle)to the Ne atom.

Identify the s-block element.

Identify the element that has a ground state electronic configuration of [Ar]4s23d104p6.

Identify the most reactive alkali metal with water.

Identify the noble gas that is used by researchers to cool down samples for analysis.

How many valence electrons does an atom of Ar possess?

Choose the statement that is TRUE.

Give the number of valence electrons for Te.

A cation of +2 indicates that an element has

Identify the f-block element.

For a particular element,identify the species that has the smallest radius.

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

Place the following in order of decreasing metallic character. P As K

Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle)to the Cl atom.

Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle)to the Sr atom.

Give the ground state electron configuration for Cd.

Give the set of four quantum numbers that could represent the electron lost to form the K ION from the K atom.

Identify the species that has the smallest radius.

Choose the ground state electron configuration for Rf2⁺.

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 element that has a ground state electronic configuration of [Ar]4s²3d¹⁰4p⁶.

Choose the ground state electron configuration for Rf²⁺.