Question 1

The energy of a photon of light is __________ proportional to its frequency and __________ proportional to its wavelength.

Accepted Answer

A) directly, directly 
B) inversely, inversely 
C) inversely, directly 
D) directly, inversely 
E) indirectly, not 
A) directly, directly 
B) inversely, inversely 
C) inversely, directly 
D) directly, inversely 
E) indirectly, not

Question 2

The __________ orbital is degenerate with 5py in a many-electron atom.

Accepted Answer

A) 5s 
B) 5px 
C) 4py 
D) 5dxy 
E) 5d2 
A) 5s 
B) 5px 
C) 4py 
D) 5dxy 
E) 5d2

Question 3

The frequency of a photon that has an energy of 8.5 × 10-12 J is __________ s-1.

Accepted Answer

A) 1.3 × 1022 
B) 1.8 × 10-16 
C) 2.5 × 10-15 
D) 5.4 × 10-8 
E) 2.5 × 1015 
A) 1.3 × 1022 
B) 1.8 × 10-16 
C) 2.5 × 10-15 
D) 5.4 × 10-8 
E) 2.5 × 1015

Question 4

At what speed (m/s)must a 3.0-mg object be moving in order to have a de Broglie wavelength of 5.4 × 10-29 m?

Accepted Answer

A) 1.6 × 10-28 
B) 3.9 × 10-4 
C) 2.0 × 1012 
D) 4.1 
E) 6.3 
A) 1.6 × 10-28 
B) 3.9 × 10-4 
C) 2.0 × 1012 
D) 4.1 
E) 6.3

Question 5

The n = 5 to n = 3 transition in the Bohr hydrogen atom corresponds to the __________ of a photon with a wavelength of __________ nm.

Accepted Answer

A) absorption, 657 
B) absorption, 1280 
C) emission, 657 
D) emission, 1280 
E) emission, 389 
A) absorption, 657 
B) absorption, 1280 
C) emission, 657 
D) emission, 1280 
E) emission, 389

Question 6

The photoelectric effect is __________.

Accepted Answer

A) the total reflection of light by metals giving them their typical luster 
B) the production of current by silicon solar cells when exposed to sunlight 
C) the ejection of electrons by a metal when struck with light of sufficient energy 
D) the darkening of photographic film when exposed to an electric field 
E) a relativistic effect 
A) the total reflection of light by metals giving them their typical luster 
B) the production of current by silicon solar cells when exposed to sunlight 
C) the ejection of electrons by a metal when struck with light of sufficient energy 
D) the darkening of photographic film when exposed to an electric field 
E) a relativistic effect

Question 7

The 3p subshell in the ground state of atomic silicon contains __________ electrons.

Accepted Answer

A) 2 
B) 6 
C) 8 
D) 10 
E) 36 
A) 2 
B) 6 
C) 8 
D) 10 
E) 36

Question 8

In the Bohr model of the atom, __________.

Accepted Answer

A) electrons travel in circular paths called orbitals 
B) electrons can have any energy 
C) electron energies are quantized 
D) electron paths are controlled by probability 
E) both A and C 
A) electrons travel in circular paths called orbitals 
B) electrons can have any energy 
C) electron energies are quantized 
D) electron paths are controlled by probability 
E) both A and C

Question 9

The wavelength of an electron whose velocity is 1.7 × 104 m/s and whose mass is 9.1 × 10-28 g is __________ m.

Accepted Answer

A) 4.3 × 10-11 
B) 12 
C) 4.3 × 10-8 
D) 2.3 × 107 
E) 2.3 × 10-7 
A) 4.3 × 10-11 
B) 12 
C) 4.3 × 10-8 
D) 2.3 × 107 
E) 2.3 × 10-7

Question 10

__________-orbitals are spherically symmetrical.

Accepted Answer

A) s 
B) p 
C) d 
D) f 
E) g 
A) s 
B) p 
C) d 
D) f 
E) g

Question 11

What is the frequency of light (s-1)that has a wavelength of 3.12 × 10-3 cm?

Accepted Answer

A) 3.69 
B) 2.44 × 1016 
C) 9.62 × 1012 
D) 4.10 × 10-17 
E) 1.04 × 10-13 
A) 3.69 
B) 2.44 × 1016 
C) 9.62 × 1012 
D) 4.10 × 10-17 
E) 1.04 × 10-13

Question 12

All of the subshells in a given shell have the same energy in the hydrogen atom. In a many-electron atom, the subshells in a given shell do not have the same energy. Why?

Accepted Answer

Hydrogen atoms have only one electron. T

Question 13

Each d-subshell can accommodate a maximum of __________ electrons.

Accepted Answer

A) 6 
B) 2 
C) 10 
D) 3 
E) 5 
A) 6 
B) 2 
C) 10 
D) 3 
E) 5

Question 14

The frequency of a photon that has an energy of 3.7 × 10-18 J is __________ s-1.

Accepted Answer

A) 5.6 × 1015 
B) 1.8 × 10-16 
C) 2.5 × 10-15 
D) 5.4 × 10-8 
E) 2.5 × 1015 
A) 5.6 × 1015 
B) 1.8 × 10-16 
C) 2.5 × 10-15 
D) 5.4 × 10-8 
E) 2.5 × 1015

Question 15

Which one of the following is the correct electron configuration for a ground-state nitrogen atom?

Accepted Answer

A)    
B)    
C)    
D)    
E) None of the above is correct. 
A)    
B)    
C)    
D)    
E) None of the above is correct.

Question 16

If a hydrogen atom electron jumps from the n=6 orbit to the n=2 orbit, energy is released.

Accepted Answer

A) True 
 B)False

Question 17

The energy of a photon that has a wavelength of 12.3 nm is __________ J.

Accepted Answer

A) 1.51 × 10-17 
B) 4.42 × 10-23 
C) 1.99 × 10-25 
D) 2.72 × 10-50 
E) 1.62 × 10-17 
A) 1.51 × 10-17 
B) 4.42 × 10-23 
C) 1.99 × 10-25 
D) 2.72 × 10-50 
E) 1.62 × 10-17

Question 18

The element that corresponds to the electron configuration 1s22s22p6 is __________.

Accepted Answer

A) sodium 
B) magnesium 
C) lithium 
D) beryllium 
E) neon 
A) sodium 
B) magnesium 
C) lithium 
D) beryllium 
E) neon

Question 19

The ground state electron configuration of scandium is __________.

Accepted Answer

The answer of The ground state electron configuration of scandium...

Question 20

Black body radiation is the emission of light from metal surfaces.

Accepted Answer

A) True 
 B)False

Exam 6: Electronic Structure of Atoms

The energy of a photon of light is __________ proportional to its frequency and __________ proportional to its wavelength.

The __________ orbital is degenerate with 5py in a many-electron atom.

The frequency of a photon that has an energy of 8.5 × 10-12 J is __________ s-1.

At what speed (m/s)must a 3.0-mg object be moving in order to have a de Broglie wavelength of 5.4 × 10-29 m?

The n = 5 to n = 3 transition in the Bohr hydrogen atom corresponds to the __________ of a photon with a wavelength of __________ nm.

The photoelectric effect is __________.

The 3p subshell in the ground state of atomic silicon contains __________ electrons.

In the Bohr model of the atom, __________.

The wavelength of an electron whose velocity is 1.7 × 104 m/s and whose mass is 9.1 × 10-28 g is __________ m.

__________-orbitals are spherically symmetrical.

What is the frequency of light (s-1)that has a wavelength of 3.12 × 10-3 cm?

All of the subshells in a given shell have the same energy in the hydrogen atom. In a many-electron atom, the subshells in a given shell do not have the same energy. Why?

Each d-subshell can accommodate a maximum of __________ electrons.

The frequency of a photon that has an energy of 3.7 × 10-18 J is __________ s-1.

Which one of the following is the correct electron configuration for a ground-state nitrogen atom?

If a hydrogen atom electron jumps from the n=6 orbit to the n=2 orbit, energy is released.

The energy of a photon that has a wavelength of 12.3 nm is __________ J.

The element that corresponds to the electron configuration 1s22s22p6 is __________.

The ground state electron configuration of scandium is __________.

Black body radiation is the emission of light from metal surfaces.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

The energy of a photon of light is proportional to its frequency and proportional to its wavelength.

The __________ orbital is degenerate with 5p_y in a many-electron atom.

The frequency of a photon that has an energy of 8.5 × 10^-12 J is __________ s^-1.

At what speed (m/s)must a 3.0-mg object be moving in order to have a de Broglie wavelength of 5.4 × 10^-29 m?

The n = 5 to n = 3 transition in the Bohr hydrogen atom corresponds to the of a photon with a wavelength of nm.

The wavelength of an electron whose velocity is 1.7 × 10⁴ m/s and whose mass is 9.1 × 10^-28 g is __________ m.

What is the frequency of light (s^-1)that has a wavelength of 3.12 × 10^-3 cm?

The frequency of a photon that has an energy of 3.7 × 10^-18 J is __________ s^-1.

The element that corresponds to the electron configuration 1s²2s²2p⁶ is __________.