Question 1

Which of the following types of electromagnetic radiation has the longest wavelength?

Accepted Answer

A) gamma rays 
B) x-rays 
C) visible 
D) infrared 
E) radio waves 
A) gamma rays 
B) x-rays 
C) visible 
D) infrared 
E) radio waves

Question 2

Which of the following is a possible set of quantum numbers for a 4$ f $ orbital?

Accepted Answer

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

Question 3

Give the names of the three quantum numbers n, $ l $, and ml) that identify the mathematical functions orbitals) that are solutions to Schrödinger's wave equation.Describe how the energy, size, shape, and orientation of the orbital varies with the relative values of these quantum numbers.

Accepted Answer

n is the principal quantum number.As its

Question 4

Write the electron configuration of Ru3+.

Accepted Answer

The answer of Write the electron configuration of Ru3+....

Question 5

If light at 193 nm from an argon-fluoride laser is incident on a gold-metal surface, electrons with a kinetic energy of 1.80 *10-19 J are produced.What is the work function of gold in kilojoules per mole? What is the minimum wavelength of light in nanometers required to produce photoelectrons from gold (zero kinetic energy)?

Accepted Answer

The answer of If light at 193 nm from an...

Question 6

The de Broglie wavelength of buckyballs buckminsterfullerene, C60) has been observed experimentally.If a C60 molecule (1.20 *10-24 kg) has a velocity of 220 m/s, what is its de Broglie wavelength?

Accepted Answer

A) 2.52 pm 
B) 2.52 fm 
C) 2.52 m 
D) 1.20 pm 
E) 5.22 m 
A) 2.52 pm 
B) 2.52 fm 
C) 2.52 m 
D) 1.20 pm 
E) 5.22 m

Question 7

A shell is defined by _______.

Accepted Answer

A) the l quantum number. 
B) the ml quantum number. 
C) the ms quantum number. 
D) the n quantum number. 
E) both the l and ml quantum numbers. 
A) the l quantum number. 
B) the ml quantum number. 
C) the ms quantum number. 
D) the n quantum number. 
E) both the l and ml quantum numbers.

Question 8

Which of the following statements is FALSE?

Accepted Answer

A) As the wavelength of a photon decreases, its energy increases. 
B) The speed of a photon decreases as its wavelength decreases. 
C) Light can be viewed as packets of energy. 
D) As the frequency of a photon decreases, its energy decreases. 
E) A high-energy photon has a shorter wavelength than a low-energy photon. 
A) As the wavelength of a photon decreases, its energy increases. 
B) The speed of a photon decreases as its wavelength decreases. 
C) Light can be viewed as packets of energy. 
D) As the frequency of a photon decreases, its energy decreases. 
E) A high-energy photon has a shorter wavelength than a low-energy photon.

Question 9

What is the ground-state electron configuration of an Al3+ion?

Accepted Answer

A)  $  1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{1} $ 
B)  $  1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{4} $ 
C)  $ 1 s^{2} 2 s^{2} 2 p^{6} $ 
D)  $  1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{2} $ 
E)  $ 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{8} $ 
A)  $  1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{1} $ 
B)  $  1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{4} $ 
C)  $ 1 s^{2} 2 s^{2} 2 p^{6} $ 
D)  $  1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{2} $ 
E)  $ 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{8} $

Question 10

De Broglie reasoned that for the electron in the hydrogen atom to behave as a stable circular wave, the circumference of the electron's orbit must be _______.

Accepted Answer

A) equal to the wavelength of the electron. 
B) an integer multiple of the electron's wavelength. 
C) a half-integer multiple of the electron's wavelength. 
D) twice the wavelength of the electron. 
E) twice the diameter of the orbit. 
A) equal to the wavelength of the electron. 
B) an integer multiple of the electron's wavelength. 
C) a half-integer multiple of the electron's wavelength. 
D) twice the wavelength of the electron. 
E) twice the diameter of the orbit.

Question 11

A certain shell is known to have a total of 16 orbitals.Which shell is it?

Accepted Answer

A) n = 4 
B) n = 8 
C) n = 16 
D) n = 2 
E) n = 32 
A) n = 4 
B) n = 8 
C) n = 16 
D) n = 2 
E) n = 32

Question 12

Write the condensed electron configuration of Si.How many core and how many valence electrons does a silicon atom contain?

Accepted Answer

[Ne]3s²3p²;

Question 13

Which arrangement is in the correct order of decreasing radii?

Accepted Answer

A)  $ \mathrm{As}^{3-}>\mathrm{Br}^{-}>\mathrm{K}^{+} $ 
B)  $ \mathrm{F}^{-}>\mathrm{Mg}^{+}>\mathrm{Cs} $ 
C)  $ \mathrm{Na}^{+}>\mathrm{Cs}^{+}>\mathrm{I}^{-} $ 
D)  $ \mathrm{Be}>\mathrm{Ba}^{+}>\mathrm{O}^{2-} $ 
E)  $ \mathrm{Li}^{+}>\mathrm{Na}^{+}>\mathrm{K}^{+} $ 
A)  $ \mathrm{As}^{3-}>\mathrm{Br}^{-}>\mathrm{K}^{+} $ 
B)  $ \mathrm{F}^{-}>\mathrm{Mg}^{+}>\mathrm{Cs} $ 
C)  $ \mathrm{Na}^{+}>\mathrm{Cs}^{+}>\mathrm{I}^{-} $ 
D)  $ \mathrm{Be}>\mathrm{Ba}^{+}>\mathrm{O}^{2-} $ 
E)  $ \mathrm{Li}^{+}>\mathrm{Na}^{+}>\mathrm{K}^{+} $

Question 14

Which of the following atoms has no unpaired electrons?

Accepted Answer

A) Cr 
B) Sn 
C) Se 
D) Zn 
E) Al 
A) Cr 
B) Sn 
C) Se 
D) Zn 
E) Al

Question 15

Based on the following data and graph, indicate which metal requires the shortest wavelength photons to eject photoelectrons.Work functions are in J *10-19.

Accepted Answer

A) Ta 
B) Ti 
C) W 
D) Si 
E) Ag 
A) Ta 
B) Ti 
C) W 
D) Si 
E) Ag

Which of the following types of electromagnetic radiation has the longest wavelength?

Which of the following is a possible set of quantum numbers for a 4 $f$ orbital?

Give the names of the three quantum numbers n, $l$ , and m_l) that identify the mathematical functions orbitals) that are solutions to Schrödinger's wave equation.Describe how the energy, size, shape, and orientation of the orbital varies with the relative values of these quantum numbers.

Write the electron configuration of Ru³⁺.

The de Broglie wavelength of buckyballs buckminsterfullerene, C₆₀) has been observed experimentally.If a C₆₀ molecule (1.20 *10^-24kg) has a velocity of 220 m/s, what is its de Broglie wavelength?

A shell is defined by _______.

Which of the following statements is FALSE?

What is the ground-state electron configuration of an Al³⁺ion?

De Broglie reasoned that for the electron in the hydrogen atom to behave as a stable circular wave, the circumference of the electron's orbit must be _______.

A certain shell is known to have a total of 16 orbitals.Which shell is it?

Write the condensed electron configuration of Si.How many core and how many valence electrons does a silicon atom contain?

Which arrangement is in the correct order of decreasing radii?

Which of the following atoms has no unpaired electrons?

Based on the following data and graph, indicate which metal requires the shortest wavelength photons to eject photoelectrons.Work functions are in J *10^-19.

Matter and Energy an Atomic Perspective

Atoms, Ions, and Molecules the Building Blocks of Matter

Chemical Bonding Understanding Climate Change

Bonding Theories Explaining Molecular Geometry

Intermolecular Forces Attractions Between Particles

Stoichiometry Mass Relationships and Chemical Reactions

Aqueous Solutions Chemistry of the Hydrosphere

Thermochemistry Energy Changes in Chemical Reactions

Properties of Gases the Air We Breathe

Properties of Solutions Their Concentrations and Colligative Properties

Thermodynamics Why Chemical Reactions Happen

Chemical Kinetics Clearing the Air

Chemical Equilibrium Equal but Opposite Reaction Rates

Acid-Base Equilibria Proton Transfer in Biological Systems

Additional Aqueous Equilibria Chemistry and the Oceans

Electrochemistry the Quest for Clean Energy

The Solid State a Particulate View

Organic Chemistry Fuels, Pharmaceuticals, and Modern Materials

Biochemistry the Compounds of Life

Nuclear Chemistry the Risks and Benefits

The Main Group Elements Life and the Periodic Table

Transition Metals Biological and Medical Applications

Filters

Exam 3: Atomic Structure Explaining the Properties of Elements

Which of the following types of electromagnetic radiation has the longest wavelength?

Which of the following is a possible set of quantum numbers for a 4 f f f orbital?

Give the names of the three quantum numbers n, l l l , and ml) that identify the mathematical functions orbitals) that are solutions to Schrödinger's wave equation.Describe how the energy, size, shape, and orientation of the orbital varies with the relative values of these quantum numbers.

Write the electron configuration of Ru3+.

The de Broglie wavelength of buckyballs buckminsterfullerene, C60) has been observed experimentally.If a C60 molecule (1.20 *10-24 kg) has a velocity of 220 m/s, what is its de Broglie wavelength?

A shell is defined by _______.

Which of the following statements is FALSE?

What is the ground-state electron configuration of an Al3+ion?

De Broglie reasoned that for the electron in the hydrogen atom to behave as a stable circular wave, the circumference of the electron's orbit must be _______.

A certain shell is known to have a total of 16 orbitals.Which shell is it?

Write the condensed electron configuration of Si.How many core and how many valence electrons does a silicon atom contain?

Which arrangement is in the correct order of decreasing radii?

Which of the following atoms has no unpaired electrons?

Based on the following data and graph, indicate which metal requires the shortest wavelength photons to eject photoelectrons.Work functions are in J *10-19.

Matter and Energy an Atomic Perspective

Atoms, Ions, and Molecules the Building Blocks of Matter

Chemical Bonding Understanding Climate Change

Bonding Theories Explaining Molecular Geometry

Intermolecular Forces Attractions Between Particles

Stoichiometry Mass Relationships and Chemical Reactions

Aqueous Solutions Chemistry of the Hydrosphere

Thermochemistry Energy Changes in Chemical Reactions

Properties of Gases the Air We Breathe

Properties of Solutions Their Concentrations and Colligative Properties

Thermodynamics Why Chemical Reactions Happen

Chemical Kinetics Clearing the Air

Chemical Equilibrium Equal but Opposite Reaction Rates

Acid-Base Equilibria Proton Transfer in Biological Systems

Additional Aqueous Equilibria Chemistry and the Oceans

Electrochemistry the Quest for Clean Energy

The Solid State a Particulate View

Organic Chemistry Fuels, Pharmaceuticals, and Modern Materials

Biochemistry the Compounds of Life

Nuclear Chemistry the Risks and Benefits

The Main Group Elements Life and the Periodic Table

Transition Metals Biological and Medical Applications

Filters

Which of the following is a possible set of quantum numbers for a 4 $f$ orbital?

Give the names of the three quantum numbers n, $l$ , and m_l) that identify the mathematical functions orbitals) that are solutions to Schrödinger's wave equation.Describe how the energy, size, shape, and orientation of the orbital varies with the relative values of these quantum numbers.

Write the electron configuration of Ru³⁺.

The de Broglie wavelength of buckyballs buckminsterfullerene, C₆₀) has been observed experimentally.If a C₆₀ molecule (1.20 *10^-24kg) has a velocity of 220 m/s, what is its de Broglie wavelength?

What is the ground-state electron configuration of an Al³⁺ion?

Based on the following data and graph, indicate which metal requires the shortest wavelength photons to eject photoelectrons.Work functions are in J *10^-19.