Question 1

The d orbitals occur in groups of ____ and hold up to ____ electrons.

Accepted Answer

A)  3; 6 
B)  4; 8 
C)  5; 10 
D)  6; 12 
E)  7; 14 
A)  3; 6 
B)  4; 8 
C)  5; 10 
D)  6; 12 
E)  7; 14

Question 2

What is the phenomenon that occurs when certain metals emit electrons when illuminated by particular wavelengths of light?

Accepted Answer

A)  Planck's constant 
B)  photoelectric effect 
C)  emission spectrum 
D)  quantum theory 
E)  electromagnetic spectrum 
A)  Planck's constant 
B)  photoelectric effect 
C)  emission spectrum 
D)  quantum theory 
E)  electromagnetic spectrum

Question 3

Atoms or ions with no unpaired electrons are:

Accepted Answer

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

Question 4

Light has a wavelength of 582 nm. What is its frequency? The speed of light is 3.00 × 108 m/s.

Accepted Answer

A)  1.75 × 1020 Hz 
B)  5.15 × 1014 Hz 
C)  1.94 × 1013 Hz 
D)  1.94 × 103 Hz 
E)  1.75 × 102 Hz 
A)  1.75 × 1020 Hz 
B)  5.15 × 1014 Hz 
C)  1.94 × 1013 Hz 
D)  1.94 × 103 Hz 
E)  1.75 × 102 Hz

Question 5

Which new idea was proposed by Louis de Broglie?

Accepted Answer

A)  Electrons are located in orbits. 
B)  Electrons can be viewed in terms of their wave and particle properties. 
C)  Energy in the atom is quantized. 
D)  An excited hydrogen atom emits a line spectrum. 
E)  Excited state orbits have higher energy than ground state orbits. 
A)  Electrons are located in orbits. 
B)  Electrons can be viewed in terms of their wave and particle properties. 
C)  Energy in the atom is quantized. 
D)  An excited hydrogen atom emits a line spectrum. 
E)  Excited state orbits have higher energy than ground state orbits.

Question 6

Give the element that has the electron configuration:

Accepted Answer

A)  In 
B)  Pd 
C)  Fe 
D)  Ni 
E)  Sr 
A)  In 
B)  Pd 
C)  Fe 
D)  Ni 
E)  Sr

Question 7

Which halogen atom has the smallest atomic radius?

Accepted Answer

The answer of Which halogen atom has the smallest atomic...

Question 8

Which of the following is not a characteristic of the Bohr model of the atom?

Accepted Answer

A)  Orbits have variable radii. 
B)  An electron is restricted to specific energy levels around the nucleus. 
C)  Each orbit has a discrete energy associated with it. 
D)  An electron is located in an orbit around the nucleus. 
E)  Orbits have a defined circumference. 
A)  Orbits have variable radii. 
B)  An electron is restricted to specific energy levels around the nucleus. 
C)  Each orbit has a discrete energy associated with it. 
D)  An electron is located in an orbit around the nucleus. 
E)  Orbits have a defined circumference.

Question 9

Each electron in an atom or ion must have a unique set of four _____________.

Accepted Answer

The answer of Each electron in an atom or ion...

Question 10

____ substances are permanent magnets.

Accepted Answer

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

Question 11

Which statement regarding the Bohr model of the atom is true?

Accepted Answer

A)  Hydrogen produces a continuous spectrum. 
B)  Electrons lose quantized amounts of energy when moving to an excited state. 
C)  Electrons cannot be located between energy levels. 
D)  Light is emitted when an electron moves from the ground state to an excited state. 
E)  Electrons in the lowest energy level are in an excited state. 
A)  Hydrogen produces a continuous spectrum. 
B)  Electrons lose quantized amounts of energy when moving to an excited state. 
C)  Electrons cannot be located between energy levels. 
D)  Light is emitted when an electron moves from the ground state to an excited state. 
E)  Electrons in the lowest energy level are in an excited state.

Question 12

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

Accepted Answer

A)  shell 
B)  size 
C)  principal 
D)  distance from nucleus 
E)  shape 
A)  shell 
B)  size 
C)  principal 
D)  distance from nucleus 
E)  shape

Question 13

Light has a frequency of 7.21 × 1013 hertz. What is its wavelength? The speed of light is 3.00 × 108 m/s.

Accepted Answer

A)  2.16 × 109 nm 
B)  2.40 × 105 nm 
C)  4.16 × 103 nm 
D)  2.40 × 10-4 nm 
E)  4.16 × 10-6 nm 
A)  2.16 × 109 nm 
B)  2.40 × 105 nm 
C)  4.16 × 103 nm 
D)  2.40 × 10-4 nm 
E)  4.16 × 10-6 nm

Question 14

What is the electron configuration of Li+?

Accepted Answer

A)  1s1 
B)  1s2 
C)  1s22s1 
D)  1s22s2 
E)  1s22s22p1 
A)  1s1 
B)  1s2 
C)  1s22s1 
D)  1s22s2 
E)  1s22s22p1

Question 15

Which statement is true?

Accepted Answer

A)  The 3d orbitals have lower energy than the 2p orbitals. 
B)  The 4p orbitals hold more electrons than the 3d orbitals. 
C)  The 2p orbitals hold up to 6 electrons. 
D)  Two electrons in the 1s orbital will have the same spin. 
E)  The p orbitals occur in groups of 5. 
A)  The 3d orbitals have lower energy than the 2p orbitals. 
B)  The 4p orbitals hold more electrons than the 3d orbitals. 
C)  The 2p orbitals hold up to 6 electrons. 
D)  Two electrons in the 1s orbital will have the same spin. 
E)  The p orbitals occur in groups of 5.

Question 16

Which set of quantum numbers is not allowed?

Accepted Answer

A)  n = 0, l = 0, ml = 0, ms = +1/2 
B)  n = 1, l = 0, ml = 0, ms = +1/2 
C)  n = 2, l = 1, ml = 1, ms = +1/2 
D)  n = 3, l = 1, ml = 0, ms = +1/2 
E)  n = 4, l = 3, ml = 0, ms = -1/2 
A)  n = 0, l = 0, ml = 0, ms = +1/2 
B)  n = 1, l = 0, ml = 0, ms = +1/2 
C)  n = 2, l = 1, ml = 1, ms = +1/2 
D)  n = 3, l = 1, ml = 0, ms = +1/2 
E)  n = 4, l = 3, ml = 0, ms = -1/2

Question 17

Arrange these elements in order of increasing ionization energy.

Accepted Answer

A)  P < Cl < Ar < Li < Na 
B)  Na < Li < P < Cl < Ar 
C)  Ar < Cl < Na < Li < P 
D)  Cl < Ar < Na < Li < P 
E)  P < Cl < Ar < Na < Li 
A)  P < Cl < Ar < Li < Na 
B)  Na < Li < P < Cl < Ar 
C)  Ar < Cl < Na < Li < P 
D)  Cl < Ar < Na < Li < P 
E)  P < Cl < Ar < Na < Li

Question 18

Which element has the largest atomic radius?

Accepted Answer

A)  As 
B)  P 
C)  Se 
D)  Br 
E)  F 
A)  As 
B)  P 
C)  Se 
D)  Br 
E)  F

Question 19

Which statement about light is true?

Accepted Answer

A)  Light oscillates back and forth between wave and particle-like behavior. 
B)  Light exhibits both wave and particle-like behavior at the same time. 
C)  Light has neither wave nor particle-like behavior. 
D)  Light behaves as a particle only. 
E)  Light behaves as a wave only. 
A)  Light oscillates back and forth between wave and particle-like behavior. 
B)  Light exhibits both wave and particle-like behavior at the same time. 
C)  Light has neither wave nor particle-like behavior. 
D)  Light behaves as a particle only. 
E)  Light behaves as a wave only.

Question 20

What is the electron configuration of O2-?

Accepted Answer

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

The d orbitals occur in groups of and hold up to electrons.

What is the phenomenon that occurs when certain metals emit electrons when illuminated by particular wavelengths of light?

Atoms or ions with no unpaired electrons are:

Light has a wavelength of 582 nm. What is its frequency? The speed of light is 3.00 × 10⁸ m/s.

Which new idea was proposed by Louis de Broglie?

Give the element that has the electron configuration:

Which halogen atom has the smallest atomic radius?

Which of the following is not a characteristic of the Bohr model of the atom?

Each electron in an atom or ion must have a unique set of four _____________.

____ substances are permanent magnets.

Which statement regarding the Bohr model of the atom is true?

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

Light has a frequency of 7.21 × 10¹³ hertz. What is its wavelength? The speed of light is 3.00 × 10⁸ m/s.

What is the electron configuration of Li⁺?

Which statement is true?

Which set of quantum numbers is not allowed?

Arrange these elements in order of increasing ionization energy.

Which element has the largest atomic radius?

Which statement about light is true?

What is the electron configuration of O₂^-?

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

Exam 7: Electron Configurations and the Periodic Table

The d orbitals occur in groups of ____ and hold up to ____ electrons.

What is the phenomenon that occurs when certain metals emit electrons when illuminated by particular wavelengths of light?

Atoms or ions with no unpaired electrons are:

Light has a wavelength of 582 nm. What is its frequency? The speed of light is 3.00 × 108 m/s.

Which new idea was proposed by Louis de Broglie?

Give the element that has the electron configuration:

Which halogen atom has the smallest atomic radius?

Which of the following is not a characteristic of the Bohr model of the atom?

Each electron in an atom or ion must have a unique set of four _____________.

____ substances are permanent magnets.

Which statement regarding the Bohr model of the atom is true?

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

Light has a frequency of 7.21 × 1013 hertz. What is its wavelength? The speed of light is 3.00 × 108 m/s.

What is the electron configuration of Li+?

Which statement is true?

Which set of quantum numbers is not allowed?

Arrange these elements in order of increasing ionization energy.

Which element has the largest atomic radius?

Which statement about light is true?

What is the electron configuration of O2-?

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

The d orbitals occur in groups of and hold up to electrons.

Light has a wavelength of 582 nm. What is its frequency? The speed of light is 3.00 × 10⁸ m/s.

Light has a frequency of 7.21 × 10¹³ hertz. What is its wavelength? The speed of light is 3.00 × 10⁸ m/s.

What is the electron configuration of Li⁺?

What is the electron configuration of O₂^-?