Question 1

The 5d subshell can contain how many electrons when filled?

Accepted Answer

A)  14 
B)  21 
C)  4 
D)  7 
E)  10 
A)  14 
B)  21 
C)  4 
D)  7 
E)  10

Question 2

In the periodic table of elements, members of each ________ have similar chemical properties.

Accepted Answer

A)  period 
B)  transition 
C)  row 
D)  group 
A)  period 
B)  transition 
C)  row 
D)  group

Question 3

In the periodic table, the horizontal rows are called ________ and the vertical columns are called ________.

Accepted Answer

The answer of In the periodic table, the horizontal rows...

Question 4

Which of the following microscopes is capable of "photographing" individual atoms?

Accepted Answer

A)  transmission electron microscope 
B)  light microscope 
C)  scanning electron microscope 
D)  scanning tunneling microscope 
A)  transmission electron microscope 
B)  light microscope 
C)  scanning electron microscope 
D)  scanning tunneling microscope

Question 5

In an MRI medical imaging apparatus, the patient is subject to what kind of "radiation"?

Accepted Answer

A)  X-rays 
B)  radio 
C)  alpha radiation 
D)  gamma rays 
E)  beta rays 
A)  X-rays 
B)  radio 
C)  alpha radiation 
D)  gamma rays 
E)  beta rays

Question 6

The part of an electron microscope that plays the same role as the lenses do in an optical microscope is

Accepted Answer

A)  the coils. 
B)  the deflector plates. 
C)  the cathode. 
D)  the vacuum chamber. 
A)  the coils. 
B)  the deflector plates. 
C)  the cathode. 
D)  the vacuum chamber.

Question 7

The electron spin quantum number can take on what values?

Accepted Answer

The answer of The electron spin quantum number can take...

Question 8

The excited state of a certain atom is 13.6 eV ± 0.10 eV.
(a) What is the average lifetime of this state?
(b) If the excited energy doubled ( 27.2 eV ± 0.10 eV) how would the lifetime be affected?

Accepted Answer

(a) 3.3 fs
(b) uncha

Question 9

An electron is confined to a one-dimensional box of width 0.10 nm, about the size of an atom. What is its energy, in eV, in the ground state?

Accepted Answer

The answer of An electron is confined to a one-dimensional...

Question 10

What is the threshold energy for production of a pair of muons, each of mass 207 me?

Accepted Answer

Question 11

After filling the 5s level, the next higher level to be filled is

Accepted Answer

A)  4s. 
B)  6s. 
C)  4d. 
D)  5p. 
E)  5d. 
A)  4s. 
B)  6s. 
C)  4d. 
D)  5p. 
E)  5d.

Question 12

Compare the prediction of the Bohr theory with the Schrödinger theory of the hydrogen atom concerning the angular momentum of the ground state (similarity or difference).

Accepted Answer

Both theories assumed quantized angular

Question 13

What is created in pair production?

Accepted Answer

A)  an electron and a positron 
B)  a proton and an electron 
C)  a electron and an antiproton 
D)  a proton and an antiproton 
E)  an electron and a photon 
A)  an electron and a positron 
B)  a proton and an electron 
C)  a electron and an antiproton 
D)  a proton and an antiproton 
E)  an electron and a photon

Question 14

What advantage might an electron microscope have over a light microscope?

Accepted Answer

Electrons can be accelerated t

Question 15

Explain the allowed values of the four quantum numbers for the hydrogen atom.

Accepted Answer

Principle quantum number: n =

Question 16

In a multielectron atom, which of the following levels is just above the 6s level?

Accepted Answer

A)  4f 
B)  6p 
C)  7s 
D)  5p 
E)  4d 
A)  4f 
B)  6p 
C)  7s 
D)  5p 
E)  4d

Question 17

Discuss what makes the Schrödinger wave function so non-classical.

Accepted Answer

Although the wave function ful

Question 18

Assuming the Earth's orbital angular momentum is quantized, estimate its angular momentum quantum number (l).

Accepted Answer

A)  3 × 1044. 
B)  3 × 1044 
C)  3 × 1024 
D)  3 × 10-34 
E)  3 × 1074 
A)  3 × 1044. 
B)  3 × 1044 
C)  3 × 1024 
D)  3 × 10-34 
E)  3 × 1074

Question 19

What is the momentum of a 600. nm photon?

Accepted Answer

A)  2.07 eV/c 
B)  2.07 MeV/c 
C)  2.07 KeV/c 
D)  2.07 N-s 
E)  2.07 kN-m 
A)  2.07 eV/c 
B)  2.07 MeV/c 
C)  2.07 KeV/c 
D)  2.07 N-s 
E)  2.07 kN-m

Question 20

An electron has a wavelength of 0.123 nm. What is its energy in eV?

Accepted Answer

A)  20. keV 
B)  10. keV 
C)  80. keV 
D)  40. keV 
E)  60. keV 
A)  20. keV 
B)  10. keV 
C)  80. keV 
D)  40. keV 
E)  60. keV

Exam 28: Quantum Mechanics and Atomic Physics

The 5d subshell can contain how many electrons when filled?

In the periodic table of elements, members of each ________ have similar chemical properties.

In the periodic table, the horizontal rows are called ________ and the vertical columns are called ________.

Which of the following microscopes is capable of "photographing" individual atoms?

In an MRI medical imaging apparatus, the patient is subject to what kind of "radiation"?

The part of an electron microscope that plays the same role as the lenses do in an optical microscope is

The electron spin quantum number can take on what values?

The excited state of a certain atom is 13.6 eV ± 0.10 eV. (a) What is the average lifetime of this state? (b) If the excited energy doubled ( 27.2 eV ± 0.10 eV) how would the lifetime be affected?

An electron is confined to a one-dimensional box of width 0.10 nm, about the size of an atom. What is its energy, in eV, in the ground state?

What is the threshold energy for production of a pair of muons, each of mass 207 me?

After filling the 5s level, the next higher level to be filled is

Compare the prediction of the Bohr theory with the Schrödinger theory of the hydrogen atom concerning the angular momentum of the ground state (similarity or difference).

What is created in pair production?

What advantage might an electron microscope have over a light microscope?

Explain the allowed values of the four quantum numbers for the hydrogen atom.

In a multielectron atom, which of the following levels is just above the 6s level?

Discuss what makes the Schrödinger wave function so non-classical.

Assuming the Earth's orbital angular momentum is quantized, estimate its angular momentum quantum number (l).

What is the momentum of a 600. nm photon?

An electron has a wavelength of 0.123 nm. What is its energy in eV?

Measurement and Problem Solving

Kinematics: Description of Motion

Motion in Two Dimensions

Force and Motion

Work and Energy

Linear Momentum and Collisions

Circular Motion and Gravitation

Rotational Motion and Equilibrium

Solids and Fluids

Temperature and Kinetic Theory

Heat

Thermodynamics

Vibrations and Waves

Sound

Electric Charge, Forces, and Fields

Electric Potential, Energy, and Capacitance

Electric Current and Resistance

Basic Electric Circuits

Magnetism

Electromagnetic Induction and Waves

AC Circuits

Reflection and Refraction of Light

Mirrors and Lenses

Physical Optics: The Wave Nature of Light

Vision and Optical Instruments

Relativity

Quantum Physics

The Nucleus

Nuclear Reactions and Elementary Particles

Filters

In the periodic table, the horizontal rows are called and the vertical columns are called .

What is the threshold energy for production of a pair of muons, each of mass 207 m_e?