Question 1

What is the energy of one photon of visible radiation with a wavelength of 625.3 nm (c = 2.998 × 108 m/s)?

Accepted Answer

Question 2

Calculate the wavelength of a particle of mass 1.00 kg traveling at 1.00 km per hour.

Accepted Answer

A) 101 m 
B) 3.45 × 10-19 m 
C) 7.20 × 10-29 m 
D) 2.38 × 10-33 m 
E) 6.25 × 10--34 m 
A) 101 m 
B) 3.45 × 10-19 m 
C) 7.20 × 10-29 m 
D) 2.38 × 10-33 m 
E) 6.25 × 10--34 m

Question 3

Given the following sets of quantum numbers for n, l, ml, and ms, which one of these sets is not possible for an electron in an atom?

Accepted Answer

Question 4

Given the following sets of quantum numbers for n, l, ml, and ms,which one of these sets is not possible for an electron in an atom?

Accepted Answer

Question 5

Which of the following choices is the correct electron configuration for a silver atom, based off of experimental evidence?

Accepted Answer

The answer of Which of the following choices is the...

Question 6

The maximum number of electrons in an atom that can have the following exact same set of quantum numbers is ________.

Accepted Answer

The answer of The maximum number of electrons in an...

Question 7

Calculate the frequency of visible light having a wavelength of 568.8 nm.

Accepted Answer

A) 170.5 s-1 
B) 1.897 × 106 s-1 
C) 1.897 × 1015 s-1 
D) 5.274 × 10-9 s-1 
E) 5.274 × 1014 s-1 
A) 170.5 s-1 
B) 1.897 × 106 s-1 
C) 1.897 × 1015 s-1 
D) 5.274 × 10-9 s-1 
E) 5.274 × 1014 s-1

Question 8

The following are the ionization energies for beryllium listed in random order, (1757; 14,845; 899; 21,000). Which value in kJ/mol corresponds to the removal of the second electron from beryllium?

Accepted Answer

The answer of The following are the ionization energies for...

Question 9

What is the energy of one mole of photons associated with radiation that has a frequency of 3.818 × 1015 Hz?

Accepted Answer

A) 1.045 × 10-25 J 
B) 1.524 × 106 J 
C) 2.530 × 10-18 J 
D) 6.564 × 10-7 J 
E) 9.568 × 1024 J 
A) 1.045 × 10-25 J 
B) 1.524 × 106 J 
C) 2.530 × 10-18 J 
D) 6.564 × 10-7 J 
E) 9.568 × 1024 J

Question 10

Calculate the wavelength of a helium atom (mass = 6.65 × 10-27 kg)traveling at 1.25 km/s.

Accepted Answer

A) 79.7 nm 
B) 79.7 pm 
C) 8.31 × 10-27 m 
D) 1.25 × 1010 m 
E) 831 pm 
A) 79.7 nm 
B) 79.7 pm 
C) 8.31 × 10-27 m 
D) 1.25 × 1010 m 
E) 831 pm

Question 11

In the tellurium atom, the electron configuration is [Ar] 4d10 4s2 4p6.

Accepted Answer

A) True 
 B)False

Question 12

The three quantum numbers which characterize the solutions to Schrodinger's equation, describing the behavior of the electron in the H atom are usually designated as

Accepted Answer

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

Question 13

Which configuration represents an alkaline earth element?

Accepted Answer

A) [Ar] 4s1 3d5 
B) [Ar] 4s2 3d4 
C) [Xe] 5s2 5p1 
D) [Xe] 6s2 4f7 
E) [Rn] 7s2 
A) [Ar] 4s1 3d5 
B) [Ar] 4s2 3d4 
C) [Xe] 5s2 5p1 
D) [Xe] 6s2 4f7 
E) [Rn] 7s2

Question 14

The statement that the position and velocity of a particle cannot be known simultaneously is explained by the uncertainty principle.

Accepted Answer

A) True 
 B)False

Question 15

Which reaction is most exothermic?

Accepted Answer

A) F(g)+ e- $\rarr$  F-(g) 
B) F-(g)+ e- $\rarr$  F2-(g) 
C) F2-(g)+ e- $\rarr$ F3-(g) 
D) F3-(g)+ e- $\rarr$  F4-(g) 
E) F4-(g)+ e- $\rarr$  F5-(g) 
A) F(g)+ e- $\rarr$  F-(g) 
B) F-(g)+ e- $\rarr$  F2-(g) 
C) F2-(g)+ e- $\rarr$ F3-(g) 
D) F3-(g)+ e- $\rarr$  F4-(g) 
E) F4-(g)+ e- $\rarr$  F5-(g)

Question 16

Which statement is true concerning the spectrum of hydrogen obtained from a gas discharge tube?

Accepted Answer

A) A photon is absorbed as the electron goes from a state with a higher energy to one with a lower energy. 
B) An electron is absorbed as the electron goes from a state with a lower energy to one with a higher energy. 
C) A photon is emitted as the electron goes from a state with a higher energy to one with a lower energy. 
D) A photon is emitted as the electron goes from a state with a lower energy to one with a higher energy. 
E) An electron is emitted as the photon goes from a state with a higher energy to one with a lower energy. 
A) A photon is absorbed as the electron goes from a state with a higher energy to one with a lower energy. 
B) An electron is absorbed as the electron goes from a state with a lower energy to one with a higher energy. 
C) A photon is emitted as the electron goes from a state with a higher energy to one with a lower energy. 
D) A photon is emitted as the electron goes from a state with a lower energy to one with a higher energy. 
E) An electron is emitted as the photon goes from a state with a higher energy to one with a lower energy.

Question 17

What is the frequency of electromagnetic radiation which has a wavelength of 628 nm (c = 2.998 × 108 m/s)?

Accepted Answer

Question 18

Which radiation has the shortest wavelength?

Accepted Answer

A) radio waves 
B) infrared radiation 
C) microwave radiation 
D) ultraviolet rays 
E) X-rays 
A) radio waves 
B) infrared radiation 
C) microwave radiation 
D) ultraviolet rays 
E) X-rays

Question 19

Calculate the wavelength of a hydrogen atom (mass = 1.674 × 10-27 kg)traveling at7.88 × 104 m/s.

Accepted Answer

A) 3.12 × 10-2 m 
B) 3.12 × 10-56 m 
C) 2.12 × 10-32 m 
D) 5.02 × 10-12 m 
E) 1.32 × 10-22 m 
A) 3.12 × 10-2 m 
B) 3.12 × 10-56 m 
C) 2.12 × 10-32 m 
D) 5.02 × 10-12 m 
E) 1.32 × 10-22 m

Question 20

The ground state electron configuration, using abbreviated electron configuration, for phosphorus is ________.

Accepted Answer

The answer of The ground state electron configuration, using abbreviated...

Exam 8: The Quantum Mechanical Atom

What is the energy of one photon of visible radiation with a wavelength of 625.3 nm (c = 2.998 × 108 m/s)?

Calculate the wavelength of a particle of mass 1.00 kg traveling at 1.00 km per hour.

Given the following sets of quantum numbers for n, l, ml, and ms, which one of these sets is not possible for an electron in an atom?

Given the following sets of quantum numbers for n, l, ml, and ms,which one of these sets is not possible for an electron in an atom?

Which of the following choices is the correct electron configuration for a silver atom, based off of experimental evidence?

The maximum number of electrons in an atom that can have the following exact same set of quantum numbers is ________.

Calculate the frequency of visible light having a wavelength of 568.8 nm.

The following are the ionization energies for beryllium listed in random order, (1757; 14,845; 899; 21,000). Which value in kJ/mol corresponds to the removal of the second electron from beryllium?

What is the energy of one mole of photons associated with radiation that has a frequency of 3.818 × 1015 Hz?

Calculate the wavelength of a helium atom (mass = 6.65 × 10-27 kg)traveling at 1.25 km/s.

In the tellurium atom, the electron configuration is [Ar] 4d10 4s2 4p6.

The three quantum numbers which characterize the solutions to Schrodinger's equation, describing the behavior of the electron in the H atom are usually designated as

Which configuration represents an alkaline earth element?

The statement that the position and velocity of a particle cannot be known simultaneously is explained by the uncertainty principle.

Which reaction is most exothermic?

Which statement is true concerning the spectrum of hydrogen obtained from a gas discharge tube?

What is the frequency of electromagnetic radiation which has a wavelength of 628 nm (c = 2.998 × 108 m/s)?

Which radiation has the shortest wavelength?

Calculate the wavelength of a hydrogen atom (mass = 1.674 × 10-27 kg)traveling at7.88 × 104 m/s.

The ground state electron configuration, using abbreviated electron configuration, for phosphorus is ________.

A Very Brief History of Chemistry

Scientific Measurements

Elements, Compounds, and the Periodic Table

The Mole and Stoichiometry

Molecular View of Reactions in Aqueous Solutions

Oxidation-Reduction Reactions

Energy and Chemical Change

The Basics of Chemical Bonding

Theories of Bonding and Structure

Properties of Gases

Intermolecular Attractions and the Properties of Liquids and Solids

Mixtures at the Molecular Level: Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases, a Molecular Look

Acid-Base Equilibria in Aqueous Solutions

Solubility and Simultaneous Equilibria

Thermodynamics

Electrochemistry

Nuclear Reactions and Their Role in Chemistry

Metal Complexes

Organic Compounds, Polymers, and Biochemicals

Filters

What is the energy of one photon of visible radiation with a wavelength of 625.3 nm (c = 2.998 × 10⁸ m/s)?

Given the following sets of quantum numbers for n, l, m_l, and m_s, which one of these sets is not possible for an electron in an atom?

Given the following sets of quantum numbers for n, l, m_l, and m_s,which one of these sets is not possible for an electron in an atom?

What is the energy of one mole of photons associated with radiation that has a frequency of 3.818 × 10¹⁵ Hz?

Calculate the wavelength of a helium atom (mass = 6.65 × 10^-²⁷kg)traveling at 1.25 km/s.

In the tellurium atom, the electron configuration is [Ar] 4d¹⁰ 4s²4p⁶.

What is the frequency of electromagnetic radiation which has a wavelength of 628 nm (c = 2.998 × 10⁸ m/s)?

Calculate the wavelength of a hydrogen atom (mass = 1.674 × 10^-27kg)traveling at7.88 × 10⁴ m/s.