Question 1

In which orbital below would an electron (on average)be farthest from the nucleus?

Accepted Answer

A)  1s 
B)  6f 
C)  3s 
D)  5d 
E)  3p 
A)  1s 
B)  6f 
C)  3s 
D)  5d 
E)  3p

Question 2

How many different values of l are possible in the third principal level?

Accepted Answer

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

Question 3

Identify the orbital.

Accepted Answer

A)  d orbital 
B)  dxy orbital 
C)  px orbital 
D)  f orbital 
E)  py orbital 
A)  d orbital 
B)  dxy orbital 
C)  px orbital 
D)  f orbital 
E)  py orbital

Question 4

The vertical height of a wave is called

Accepted Answer

A)  wavelength. 
B)  amplitude. 
C)  frequency. 
D)  area. 
E)  median. 
A)  wavelength. 
B)  amplitude. 
C)  frequency. 
D)  area. 
E)  median.

Question 5

Identify the color of a flame test for lithium.

Accepted Answer

A)  violet 
B)  red 
C)  white 
D)  yellow 
E)  blue 
A)  violet 
B)  red 
C)  white 
D)  yellow 
E)  blue

Question 6

When an electric current is passed through a tube containing mercury,mercury atoms absorb some of the electrical energy and reemit it as a ________ color.

Accepted Answer

A)  white 
B)  yellow 
C)  violet 
D)  blue 
E)  red 
A)  white 
B)  yellow 
C)  violet 
D)  blue 
E)  red

Question 7

How many orbitals are contained in the n = 2 level? Give the l and ml values of each of them.

Accepted Answer

Four: the 2s and three 2p orbi

Question 8

How many sublevels are contained in the second shell (n = 2)of a given atom?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  18 
E)  15 
A)  1 
B)  2 
C)  3 
D)  18 
E)  15

Question 9

It is possible to determine the ionization energy for hydrogen using the Bohr equation.Calculate the ionization energy for an atom of hydrogen,making the assumption that ionization is the transition from n = 1 to n = ∞.

Accepted Answer

A)  -2.18 × 10-18 J 
B)  +2.18 × 10-18 J 
C)  +4.59 × 10-18 J 
D)  -4.59 × 10-18 J 
E)  +4.36 × 10-18 J 
A)  -2.18 × 10-18 J 
B)  +2.18 × 10-18 J 
C)  +4.59 × 10-18 J 
D)  -4.59 × 10-18 J 
E)  +4.36 × 10-18 J

Question 10

Place the following types of electromagnetic radiation in order of increasing frequency. x-rays radio waves gamma rays

Accepted Answer

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

Question 11

Each of the following sets of quantum numbers is supposed to specify an orbital.Choose the one set of quantum numbers that does NOT contain an error.

Accepted Answer

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

Question 12

Food can be cooked by ________ radiation.

Accepted Answer

A)  ultraviolet 
B)  gamma 
C)  microwave 
D)  x-ray 
E)  radio 
A)  ultraviolet 
B)  gamma 
C)  microwave 
D)  x-ray 
E)  radio

Question 13

Identify the correct values for a 2p orbital.

Accepted Answer

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

Question 14

Define diffraction.

Accepted Answer

When a wave encounters an obst

Question 15

Choose the transition (in a hydrogen atom)below that represents the absorption of the shortest wavelength photon.

Accepted Answer

A)  n = 1 to n = 2 
B)  n = 2 to n = 6 
C)  n = 4 to n = 5 
D)  n = 6 to n = 5 
E)  n = 3 to n = 1 
A)  n = 1 to n = 2 
B)  n = 2 to n = 6 
C)  n = 4 to n = 5 
D)  n = 6 to n = 5 
E)  n = 3 to n = 1

Question 16

Which of the following quantum numbers describes the orientation of an orbital?

Accepted Answer

A)  magnetic quantum number 
B)  principal quantum number 
C)  angular momentum quantum number 
D)  spin quantum number 
E)  Schrödinger quantum number 
A)  magnetic quantum number 
B)  principal quantum number 
C)  angular momentum quantum number 
D)  spin quantum number 
E)  Schrödinger quantum number

Question 17

Identify the orbital.

Accepted Answer

A)  pz orbital 
B)  dxy orbital 
C)  px orbital 
D)  dyz orbital 
E)  py orbital 
A)  pz orbital 
B)  dxy orbital 
C)  px orbital 
D)  dyz orbital 
E)  py orbital

Question 18

Identify the orbital.

Accepted Answer

A)  d orbital 
B)  dxy orbital 
C)  px orbital 
D)  f orbital 
E)  py orbital 
A)  d orbital 
B)  dxy orbital 
C)  px orbital 
D)  f orbital 
E)  py orbital

Question 19

Calculate the frequency of the green light emitted by a hydrogen atom with a wavelength of 486.1 nm.

Accepted Answer

A)  1.46 × 1014 s-1 
B)  6.86 × 1014 s-1 
C)  4.33 × 1014 s-1 
D)  6.17 × 1014 s-1 
E)  1.62 × 1014 s-1 
A)  1.46 × 1014 s-1 
B)  6.86 × 1014 s-1 
C)  4.33 × 1014 s-1 
D)  6.17 × 1014 s-1 
E)  1.62 × 1014 s-1

Question 20

________,used to destroy molecules within unwanted cells such as cancer cells,are called ionizing radiation.

Accepted Answer

A)  Beta and gamma rays 
B)  Alpha and beta rays 
C)  Microwave and infrared 
D)  X-rays and gamma rays 
E)  Visible and microwave 
A)  Beta and gamma rays 
B)  Alpha and beta rays 
C)  Microwave and infrared 
D)  X-rays and gamma rays 
E)  Visible and microwave

Exam 7: The Quantum-Mechanical Model of the Atom

In which orbital below would an electron (on average)be farthest from the nucleus?

How many different values of l are possible in the third principal level?

Identify the orbital.

The vertical height of a wave is called

Identify the color of a flame test for lithium.

When an electric current is passed through a tube containing mercury,mercury atoms absorb some of the electrical energy and reemit it as a ________ color.

How many orbitals are contained in the n = 2 level? Give the l and ml values of each of them.

How many sublevels are contained in the second shell (n = 2)of a given atom?

It is possible to determine the ionization energy for hydrogen using the Bohr equation.Calculate the ionization energy for an atom of hydrogen,making the assumption that ionization is the transition from n = 1 to n = ∞.

Place the following types of electromagnetic radiation in order of increasing frequency. x-rays radio waves gamma rays

Each of the following sets of quantum numbers is supposed to specify an orbital.Choose the one set of quantum numbers that does NOT contain an error.

Food can be cooked by ________ radiation.

Identify the correct values for a 2p orbital.

Define diffraction.

Choose the transition (in a hydrogen atom)below that represents the absorption of the shortest wavelength photon.

Which of the following quantum numbers describes the orientation of an orbital?

Identify the orbital.

Identify the orbital.

Calculate the frequency of the green light emitted by a hydrogen atom with a wavelength of 486.1 nm.

________,used to destroy molecules within unwanted cells such as cancer cells,are called ionizing radiation.

Matter, measurement, and Problem Solving

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

How many orbitals are contained in the n = 2 level? Give thel and m_l values of each of them.