Question 1

Which word or phrase least applies to the quantum number represented by the symbol l?

Accepted Answer

A)  subshell 
B)  s, p, d, f 
C)  orbital type 
D)  orientation 
E)  shape 
A)  subshell 
B)  s, p, d, f 
C)  orbital type 
D)  orientation 
E)  shape

Question 2

As one moves closer to the nucleus, what happens to the value of the principal quantum number?

Accepted Answer

The answer of As one moves closer to the nucleus,...

Question 3

Which halogen has the most negative electron affinity?

Accepted Answer

The answer of Which halogen has the most negative electron...

Question 4

Which statement about the formation of solid sodium chloride from sodium metal atoms and chlorine atoms is false?

Accepted Answer

A)  Sodium atoms transfer electrons to chlorine atoms. 
B)  The sodium cation has an octet of outer electrons. 
C)  Sodium chloride contains alternating atoms in a crystal lattice. 
D)  The chloride anion has an octet of outer electrons. 
E)  The formation of sodium chloride from the elements releases energy to the surroundings. 
A)  Sodium atoms transfer electrons to chlorine atoms. 
B)  The sodium cation has an octet of outer electrons. 
C)  Sodium chloride contains alternating atoms in a crystal lattice. 
D)  The chloride anion has an octet of outer electrons. 
E)  The formation of sodium chloride from the elements releases energy to the surroundings.

Question 5

What is the correct electron configuration for aluminum?

Accepted Answer

A)  1s22s1 
B)  1s22s22p43s23p3 
C)  1s22s22p63s23p1 
D)  1s22s22p23s23p23d24s1 
E)  1s22s22p23s23p24s25s1 
A)  1s22s1 
B)  1s22s22p43s23p3 
C)  1s22s22p63s23p1 
D)  1s22s22p23s23p23d24s1 
E)  1s22s22p23s23p24s25s1

Question 6

_____________ is the number of peaks or troughs of electromagnetic radiation that pass a point per second.

Accepted Answer

The answer of _____________ is the number of peaks or...

Question 7

What is a major shortcoming of the Bohr model?

Accepted Answer

A)  It explains the spectral characteristics of hydrogen. 
B)  It accounts for the existence of line spectra. 
C)  It requires that the energy in the atom be quantized. 
D)  It implies that a one electron system can have four colors of light in its line spectrum. 
E)  It does not explain the spectra of multielectron atoms. 
A)  It explains the spectral characteristics of hydrogen. 
B)  It accounts for the existence of line spectra. 
C)  It requires that the energy in the atom be quantized. 
D)  It implies that a one electron system can have four colors of light in its line spectrum. 
E)  It does not explain the spectra of multielectron atoms.

Question 8

Arrange these elements in order from largest to smallest atomic radii.

Accepted Answer

A)  Ar > K > Na > Ne > P 
B)  K > Ar > P > Na > Ne 
C)  Ar > P > Na > Ne > K 
D)  Ne > Ar > P > Na > K 
E)  K > Na > P > Ar > Ne 
A)  Ar > K > Na > Ne > P 
B)  K > Ar > P > Na > Ne 
C)  Ar > P > Na > Ne > K 
D)  Ne > Ar > P > Na > K 
E)  K > Na > P > Ar > Ne

Question 9

How many electrons can the second principal quantum level hold?

Accepted Answer

A)  2 
B)  8 
C)  16 
D)  18 
E)  32 
A)  2 
B)  8 
C)  16 
D)  18 
E)  32

Question 10

When n = 3, l can equal ____.

Accepted Answer

A)  l = 0 
B)  l = 0, 1 
C)  l = 0, 1, 2 
D)  l = 0, 1, 2, 3 
E)  l = 0, 1, 2, 3, 4 
A)  l = 0 
B)  l = 0, 1 
C)  l = 0, 1, 2 
D)  l = 0, 1, 2, 3 
E)  l = 0, 1, 2, 3, 4

Question 11

Which statement regarding atomic orbitals is false?

Accepted Answer

A)  Atomic orbitals are three dimensional. 
B)  Only one electron is allowed per orbital. 
C)  An electron shell consists of a collection of orbitals with the same principal quantum number. 
D)  An orbital may be designated with the letters s, p, d, f. 
E)  An orbital describes the location of the electron 90% of the time. 
A)  Atomic orbitals are three dimensional. 
B)  Only one electron is allowed per orbital. 
C)  An electron shell consists of a collection of orbitals with the same principal quantum number. 
D)  An orbital may be designated with the letters s, p, d, f. 
E)  An orbital describes the location of the electron 90% of the time.

Question 12

What is the electron configuration of Br-?

Accepted Answer

A)  1s22s22p4 
B)  1s22s22p6 
C)  1s22s22p63s23p63d104s24p6 
D)  1s22s22p63s23p63d104s24p5 
E)  1s22s22p63s23p63d104s24p4 
A)  1s22s22p4 
B)  1s22s22p6 
C)  1s22s22p63s23p63d104s24p6 
D)  1s22s22p63s23p63d104s24p5 
E)  1s22s22p63s23p63d104s24p4

Question 13

Which element has the largest atomic radius?

Accepted Answer

A)  F 
B)  He 
C)  O 
D)  H 
E)  Na 
A)  F 
B)  He 
C)  O 
D)  H 
E)  Na

Question 14

In a vacuum, all light travels with the same _____________

Accepted Answer

The answer of In a vacuum, all light travels with...

Question 15

Which statement is false?

Accepted Answer

A)  Br- is larger than Kr. 
B)  Cl- is smaller than S2-. 
C)  K+ is smaller than Ca2+. 
D)  Mg2+ is smaller than Ca2+. 
E)  N3- is larger than Ne. 
A)  Br- is larger than Kr. 
B)  Cl- is smaller than S2-. 
C)  K+ is smaller than Ca2+. 
D)  Mg2+ is smaller than Ca2+. 
E)  N3- is larger than Ne.

Question 16

The time span between wave peaks is called a(n) _____________.

Accepted Answer

The answer of The time span between wave peaks is...

Question 17

Atoms or ions that have the same electron configurations are:

Accepted Answer

A)  paramagnetic. 
B)  diamagnetic. 
C)  ferromagnetic. 
D)  lanthanides. 
E)  isoelectronic. 
A)  paramagnetic. 
B)  diamagnetic. 
C)  ferromagnetic. 
D)  lanthanides. 
E)  isoelectronic.

Question 18

What is the correct electron configuration for beryllium (Be)?

Accepted Answer

A)  1s22s2 
B)  1s22s22p1 
C)  1s22s22p2 
D)  1s22s22p4 
E)  1s22s22p6 
A)  1s22s2 
B)  1s22s22p1 
C)  1s22s22p2 
D)  1s22s22p4 
E)  1s22s22p6

Question 19

Which element has the largest first ionization energy?

Accepted Answer

A)  Be 
B)  Ca 
C)  Mg 
D)  Sr 
E)  Ba 
A)  Be 
B)  Ca 
C)  Mg 
D)  Sr 
E)  Ba

Question 20

Which corresponds to the electron configuration of a noble gas?

Accepted Answer

A)  1s22s2 
B)  1s22s22p4 
C)  1s22s22p63s23p63d104s24p2 
D)  1s22s22p63s23p63d104s24p3 
E)  1s22s22p63s23p6 
A)  1s22s2 
B)  1s22s22p4 
C)  1s22s22p63s23p63d104s24p2 
D)  1s22s22p63s23p63d104s24p3 
E)  1s22s22p63s23p6

Which word or phrase least applies to the quantum number represented by the symbol l?

As one moves closer to the nucleus, what happens to the value of the principal quantum number?

Which halogen has the most negative electron affinity?

Which statement about the formation of solid sodium chloride from sodium metal atoms and chlorine atoms is false?

What is the correct electron configuration for aluminum?

_____________ is the number of peaks or troughs of electromagnetic radiation that pass a point per second.

What is a major shortcoming of the Bohr model?

Arrange these elements in order from largest to smallest atomic radii.

How many electrons can the second principal quantum level hold?

When n = 3, l can equal ____.

Which statement regarding atomic orbitals is false?

What is the electron configuration of Br^-?

Which element has the largest atomic radius?

In a vacuum, all light travels with the same _____________

Which statement is false?

The time span between wave peaks is called a(n) _____________.

Atoms or ions that have the same electron configurations are:

What is the correct electron configuration for beryllium (Be)?

Which element has the largest first ionization energy?

Which corresponds to the electron configuration of a noble gas?

The Nature of Chemistry

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

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Exam 7: Electron Configurations and the Periodic Table

Which word or phrase least applies to the quantum number represented by the symbol l?

As one moves closer to the nucleus, what happens to the value of the principal quantum number?

Which halogen has the most negative electron affinity?

Which statement about the formation of solid sodium chloride from sodium metal atoms and chlorine atoms is false?

What is the correct electron configuration for aluminum?

_____________ is the number of peaks or troughs of electromagnetic radiation that pass a point per second.

What is a major shortcoming of the Bohr model?

Arrange these elements in order from largest to smallest atomic radii.

How many electrons can the second principal quantum level hold?

When n = 3, l can equal ____.

Which statement regarding atomic orbitals is false?

What is the electron configuration of Br-?

Which element has the largest atomic radius?

In a vacuum, all light travels with the same _____________

Which statement is false?

The time span between wave peaks is called a(n) _____________.

Atoms or ions that have the same electron configurations are:

What is the correct electron configuration for beryllium (Be)?

Which element has the largest first ionization energy?

Which corresponds to the electron configuration of a noble gas?

The Nature of Chemistry

Atoms and Elements

Chemical Compounds

Quantities of Reactants and Products

Chemical Reactions

Energy and Chemical Reactions

Covalent Bonding

Molecular Structure

Gases and the Atmosphere

Liquids, Solids, and Materials

Chemical Kinetics: Rates of Reactions

Chemical Equilibrium

The Chemistry of Solutes and Solutions

Acids and Bases

Additional Aqueous Equilibria

Thermodynamics: Directionality of Chemical Reactions

Electrochemistry and Its Applications

Nuclear Chemistry

Filters

What is the electron configuration of Br^-?