Question 1

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 =2 ,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 =2 ,ml = 1,ms = -   A

Question 2

How many of the following elements have 1 unpaired electron in the ground state?
B Al S Cl

Accepted Answer

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

Question 3

How many valence electrons does a neutral tellurium atom have?

Accepted Answer

A) 2 
B) 4 
C) 6 
D) 52 
A) 2 
B) 4 
C) 6 
D) 52 C

Question 4

Choose the valence orbital diagram that represents the ground state of Zn.

Accepted Answer

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

Question 5

List the noble gas that has the highest ionization energy.

Accepted Answer

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

Question 6

How many unpaired electrons are present in the ground state P atom?

Accepted Answer

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

Question 7

Which is largest?

Accepted Answer

A) Na 
B) Na+ 
C) Cl 
D) Cl- 
A) Na 
B) Na+ 
C) Cl 
D) Cl-

Question 8

Place the following in order of increasing radius.
Br⁻ Na+ Rb+

Accepted Answer

A) Br⁻ + 
C) Rb⁺ < Br⁻ < Na⁺ 
D) Br⁻ < Na⁺ < Rb⁺ 
E) Rb⁺ < Na⁺ < Br⁻ 
A) Br⁻ + 
C) Rb⁺ < Br⁻ < Na⁺ 
D) Br⁻ < Na⁺ < Rb⁺ 
E) Rb⁺ < Na⁺ < Br⁻

Question 9

Give the ground state electron configuration for Sr.

Accepted Answer

A) [Kr] 5s2 4d2 
B) [Kr] 5s2 4d10 5p2 
C) [Kr] 5s2 
D) [Kr] 5s2 5d10 5p2 
E) [Kr] 5s2 4d10 
A) [Kr] 5s2 4d2 
B) [Kr] 5s2 4d10 5p2 
C) [Kr] 5s2 
D) [Kr] 5s2 5d10 5p2 
E) [Kr] 5s2 4d10

Question 10

Give the electronic configuration for Fe3+

Accepted Answer

A) 1s2 2s2 2p6 3s2 3p6 4s2 4d3 
B) 1s2 2s2 2p6 3s2 3p6 4s1 3d3 
C) 1s2 2s2 2p6 3s2 3p6 3d5 
D) 1s2 2s2 2p6 3s2 3p6 4s2 4p3 
A) 1s2 2s2 2p6 3s2 3p6 4s2 4d3 
B) 1s2 2s2 2p6 3s2 3p6 4s1 3d3 
C) 1s2 2s2 2p6 3s2 3p6 3d5 
D) 1s2 2s2 2p6 3s2 3p6 4s2 4p3

Question 11

Which of the following have the same number of valence electrons?

Accepted Answer

A) Rb,Sb,I 
B) Ga,Sn,Bi 
C) As,Sb,Bi 
D) Ar,Kr,Br 
A) Rb,Sb,I 
B) Ga,Sn,Bi 
C) As,Sb,Bi 
D) Ar,Kr,Br

Question 12

How many of the following species are diamagnetic?
Cs Zr2+ Al3+ Hg2+

Accepted Answer

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

Question 13

Which atom in each group (I and II)has the smallest atomic radius?
(I)Ba,Hf,At (II)As,Sb,Bi

Accepted Answer

A) Ba;As 
B) Ba;Bi 
C) At;As 
D) At;Bi 
A) Ba;As 
B) Ba;Bi 
C) At;As 
D) At;Bi

Question 14

Give the ground state electron configuration for Pb.

Accepted Answer

A) [Xe] 6s2 6p2 
B) [Xe] 6s2 5d10 6p2 
C) [Xe] 6s2 5f14 6d10 6p2 
D) [Xe] 6s2 4f14 5d10 6p2 
E) [Xe] 6s2 5f14 5d10 6p2 
A) [Xe] 6s2 6p2 
B) [Xe] 6s2 5d10 6p2 
C) [Xe] 6s2 5f14 6d10 6p2 
D) [Xe] 6s2 4f14 5d10 6p2 
E) [Xe] 6s2 5f14 5d10 6p2

Question 15

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 16

Choose the valence orbital diagram that represents the ground state of Zr.

Accepted Answer

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

Question 17

How many unpaired electrons are present in the ground state Kr atom?

Accepted Answer

A) 1 
B) 2 
C) 0 
D) 3 
E) 5 
A) 1 
B) 2 
C) 0 
D) 3 
E) 5

Question 18

When filling degenerate orbitals,electrons fill them singly at first,with parallel spins.This is know as

Accepted Answer

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

Question 19

Place the following elements in order of decreasing atomic radius. Xe Rb Ar

Accepted Answer

A) Ar > Xe > Rb 
B) Xe > Rb > Ar 
C) Ar > Rb > Xe 
D) Rb > Xe > Ar 
E) Rb > Ar > Xe 
A) Ar > Xe > Rb 
B) Xe > Rb > Ar 
C) Ar > Rb > Xe 
D) Rb > Xe > Ar 
E) Rb > Ar > Xe

Question 20

Give the set of four quantum numbers that could represent the electron lost to form the Rb+ ion from the Rb atom.

Accepted Answer

A) n = 6,l = 0,ml = 0,ms = -   
B) n = 4,l = 1,ml = 1,ms = -   
C) n = 5,l = 1,ml = 0,ms = +   
D) n = 4,l = 1,ml = 0,ms = -   
E) n = 5,l = 0,ml = 0,ms = +   
A) n = 6,l = 0,ml = 0,ms = -   
B) n = 4,l = 1,ml = 1,ms = -   
C) n = 5,l = 1,ml = 0,ms = +   
D) n = 4,l = 1,ml = 0,ms = -   
E) n = 5,l = 0,ml = 0,ms = +

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

How many of the following elements have 1 unpaired electron in the ground state? B Al S Cl

How many valence electrons does a neutral tellurium atom have?

Choose the valence orbital diagram that represents the ground state of Zn.

List the noble gas that has the highest ionization energy.

How many unpaired electrons are present in the ground state P atom?

Which is largest?

Place the following in order of increasing radius. Br^⁻ Na⁺ Rb⁺

Give the ground state electron configuration for Sr.

Give the electronic configuration for Fe³⁺

Which of the following have the same number of valence electrons?

How many of the following species are diamagnetic? Cs Zr²⁺ Al³⁺ Hg²⁺

Which atom in each group (I and II)has the smallest atomic radius? (I)Ba,Hf,At (II)As,Sb,Bi

Give the ground state electron configuration for Pb.

How many valence electrons do the alkali metals possess?

Choose the valence orbital diagram that represents the ground state of Zr.

How many unpaired electrons are present in the ground state Kr atom?

When filling degenerate orbitals,electrons fill them singly at first,with parallel spins.This is know as

Place the following elements in order of decreasing atomic radius. Xe Rb Ar

Give the set of four quantum numbers that could represent the electron lost to form the Rb⁺ ion from the Rb atom.

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Exam 8: Periodic Properties of the Elements

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

How many of the following elements have 1 unpaired electron in the ground state? B Al S Cl

How many valence electrons does a neutral tellurium atom have?

Choose the valence orbital diagram that represents the ground state of Zn.

List the noble gas that has the highest ionization energy.

How many unpaired electrons are present in the ground state P atom?

Which is largest?

Place the following in order of increasing radius. Br⁻ Na+ Rb+

Give the ground state electron configuration for Sr.

Give the electronic configuration for Fe3+

Which of the following have the same number of valence electrons?

How many of the following species are diamagnetic? Cs Zr2+ Al3+ Hg2+

Which atom in each group (I and II)has the smallest atomic radius? (I)Ba,Hf,At (II)As,Sb,Bi

Give the ground state electron configuration for Pb.

How many valence electrons do the alkali metals possess?

Choose the valence orbital diagram that represents the ground state of Zr.

How many unpaired electrons are present in the ground state Kr atom?

When filling degenerate orbitals,electrons fill them singly at first,with parallel spins.This is know as

Place the following elements in order of decreasing atomic radius. Xe Rb Ar

Give the set of four quantum numbers that could represent the electron lost to form the Rb+ ion from the Rb atom.

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, and

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

Place the following in order of increasing radius. Br^⁻ Na⁺ Rb⁺

Give the electronic configuration for Fe³⁺

How many of the following species are diamagnetic? Cs Zr²⁺ Al³⁺ Hg²⁺

Give the set of four quantum numbers that could represent the electron lost to form the Rb⁺ ion from the Rb atom.