Question 1

All of the orbitals in a given subshell have the same value of the __________ quantum number.

Accepted Answer

A) principal 
B) angular momentum 
C) magnetic 
D) A and B 
E) B and C 
A) principal 
B) angular momentum 
C) magnetic 
D) A and B 
E) B and C

Question 2

An electron in a Bohr hydrogen atom has an energy of -1.362 × 10-19 J. The value of n for this electron is __________.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 3

The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the __________ of a photon with a wavelength of __________ nm.

Accepted Answer

A) emission, 410 
B) absorption, 410 
C) absorption, 660 
D) emission, 94 
E) emission, 390 
A) emission, 410 
B) absorption, 410 
C) absorption, 660 
D) emission, 94 
E) emission, 390

Question 4

The uncertainty principle states that __________.

Accepted Answer

A) matter and energy are really the same thing 
B) it is impossible to know anything with certainty 
C) it is impossible to know the exact position and momentum of an electron 
D) there can only be one uncertain digit in a reported number 
E) it is impossible to know how many electrons there are in an atom 
A) matter and energy are really the same thing 
B) it is impossible to know anything with certainty 
C) it is impossible to know the exact position and momentum of an electron 
D) there can only be one uncertain digit in a reported number 
E) it is impossible to know how many electrons there are in an atom

Question 5

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m/s is __________ m. The mass of the electron is 9.11 × 10-28 g.

Accepted Answer

A) 8.25 × 109 
B) 8.25 × 1012 
C) 1.21 × 10-16 
D) 1.21 × 10-13 
E) 1.21 × 10-10 
A) 8.25 × 109 
B) 8.25 × 1012 
C) 1.21 × 10-16 
D) 1.21 × 10-13 
E) 1.21 × 10-10

Question 6

What wavelengths correspond to the visible region of the electromagnetic spectrum?

Accepted Answer

About 400

Question 7

Which one of the following is considered to be ionizing radiation?

Accepted Answer

A) visible light 
B) radio waves 
C) X-rays 
D) microwaves 
E) infrared radiation 
A) visible light 
B) radio waves 
C) X-rays 
D) microwaves 
E) infrared radiation

Question 8

Which quantum number determines the energy of an electron in a hydrogen atom?

Accepted Answer

A) n 
B) E 
C) ml 
D) l 
E) n and l 
A) n 
B) E 
C) ml 
D) l 
E) n and l

Question 9

The principal quantum number of the first d subshell is __________.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 0 
A) 1 
B) 2 
C) 3 
D) 4 
E) 0

Question 10

What is the wavelength of light (nm)that has a frequency of 3.22 × 1014 s-1?

Accepted Answer

A) 932 
B) 649 
C) 9.66 × 1022 
D) 9.32 × 10-7 
E) 1.07 × 106 
A) 932 
B) 649 
C) 9.66 × 1022 
D) 9.32 × 10-7 
E) 1.07 × 106

Question 11

The condensed electron configuration of silicon, element 14, is __________.

Accepted Answer

A) [He]2s42p6 
B) [Ne]2p10 
C) [Ne]3s23p2 
D) [He]2s4 
E) [He]2s62p2 
A) [He]2s42p6 
B) [Ne]2p10 
C) [Ne]3s23p2 
D) [He]2s4 
E) [He]2s62p2

Question 12

The ground state configuration of tungsten is __________.

Accepted Answer

A) [Ar]4s23d3 
B) [Xe]6s24f145d4 
C) [Ne]3s1 
D) [Xe]6s24f7 
E) [Kr]5s24d105p5 
A) [Ar]4s23d3 
B) [Xe]6s24f145d4 
C) [Ne]3s1 
D) [Xe]6s24f7 
E) [Kr]5s24d105p5

Question 13

A mole of red photons of wavelength 725 nm has __________ kJ of energy.

Accepted Answer

A) 2.74 × 10-19 
B) 4.56 × 10-46 
C) 6.05 × 10-3 
D) 165 
E) 227 
A) 2.74 × 10-19 
B) 4.56 × 10-46 
C) 6.05 × 10-3 
D) 165 
E) 227

Question 14

Which of the following is not a valid set of four quantum numbers? (n, l, ml, ms)

Accepted Answer

A) 2, 0, 0, +1/2 
B) 2, 1, 0, -1/2 
C) 3, 1, -1, -1/2 
D) 1, 0, 0, +1/2 
E) 1, 1, 0, +1/2 
A) 2, 0, 0, +1/2 
B) 2, 1, 0, -1/2 
C) 3, 1, -1, -1/2 
D) 1, 0, 0, +1/2 
E) 1, 1, 0, +1/2

Question 15

Of the following, __________ radiation has the shortest wavelength.

Accepted Answer

A) X-ray 
B) radio 
C) microwave 
D) ultraviolet 
E) infrared 
A) X-ray 
B) radio 
C) microwave 
D) ultraviolet 
E) infrared

Question 16

The ground state configuration of fluorine is __________.

Accepted Answer

A) [He]2s22p2 
B) [He]2s22p3 
C) [He]2s22p4 
D) [He]2s22p5 
E) [He]2s22p6 
A) [He]2s22p2 
B) [He]2s22p3 
C) [He]2s22p4 
D) [He]2s22p5 
E) [He]2s22p6

Question 17

What is the de Broglie wavelength (m)of a 15-g object moving at a speed of 3.0 m/s?

Accepted Answer

A) 1.9 × 10-32 
B) 5.3 × 10-33 
C) 1.9 × 10-36 
D) 1.5 × 10-32 
E) 3.0 × 1045 
A) 1.9 × 10-32 
B) 5.3 × 10-33 
C) 1.9 × 10-36 
D) 1.5 × 10-32 
E) 3.0 × 1045

Question 18

What is the frequency of light (s-1)that has a wavelength of 1.23 × 10-6 cm?

Accepted Answer

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

Question 19

A spectrum containing only specific wavelengths is called a __________ spectrum.

Accepted Answer

A) line 
B) continuous 
C) visible 
D) Rydberg 
E) invariant 
A) line 
B) continuous 
C) visible 
D) Rydberg 
E) invariant

Question 20

There are __________ orbitals in the second shell.

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 8 
E) 9 
A) 1 
B) 2 
C) 4 
D) 8 
E) 9

Exam 6: Electronic Structure of Atoms

All of the orbitals in a given subshell have the same value of the __________ quantum number.

An electron in a Bohr hydrogen atom has an energy of -1.362 × 10-19 J. The value of n for this electron is __________.

The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the __________ of a photon with a wavelength of __________ nm.

The uncertainty principle states that __________.

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m/s is __________ m. The mass of the electron is 9.11 × 10-28 g.

What wavelengths correspond to the visible region of the electromagnetic spectrum?

Which one of the following is considered to be ionizing radiation?

Which quantum number determines the energy of an electron in a hydrogen atom?

The principal quantum number of the first d subshell is __________.

What is the wavelength of light (nm)that has a frequency of 3.22 × 1014 s-1?

The condensed electron configuration of silicon, element 14, is __________.

The ground state configuration of tungsten is __________.

A mole of red photons of wavelength 725 nm has __________ kJ of energy.

Which of the following is not a valid set of four quantum numbers? (n, l, ml, ms)

Of the following, __________ radiation has the shortest wavelength.

The ground state configuration of fluorine is __________.

What is the de Broglie wavelength (m)of a 15-g object moving at a speed of 3.0 m/s?

What is the frequency of light (s-1)that has a wavelength of 1.23 × 10-6 cm?

A spectrum containing only specific wavelengths is called a __________ spectrum.

There are __________ orbitals in the second shell.

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

An electron in a Bohr hydrogen atom has an energy of -1.362 × 10^-19 J. The value of n for this electron is __________.

The n = 2 to n = 6 transition in the Bohr hydrogen atom corresponds to the of a photon with a wavelength of nm.

The de Broglie wavelength of an electron with a velocity of 6.00 × 10⁶ m/s is __________ m. The mass of the electron is 9.11 × 10^-28 g.

What is the wavelength of light (nm)that has a frequency of 3.22 × 10¹⁴ s^-1?

Which of the following is not a valid set of four quantum numbers? (n, l, m_l, m_s)

What is the frequency of light (s^-1)that has a wavelength of 1.23 × 10^-6 cm?