Question 1

Which of the following occurs as the wavelength of a photon increases?

Accepted Answer

A)  The frequency decreases. 
B)  The energy increases. 
C)  The speed decreases. 
D)  Planck's constant decreases. 
E)  None of the above occurs as the wavelength of a photon increases. 
A)  The frequency decreases. 
B)  The energy increases. 
C)  The speed decreases. 
D)  Planck's constant decreases. 
E)  None of the above occurs as the wavelength of a photon increases.

Question 2

Calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m s-1.

Accepted Answer

A)  7.60 × 10-36 m 
B)  1.32 × 10-34 m 
C)  2.15 × 10-32 m 
D)  2.68 × 10-34 m 
E)  3.57 × 10-32 m 
A)  7.60 × 10-36 m 
B)  1.32 × 10-34 m 
C)  2.15 × 10-32 m 
D)  2.68 × 10-34 m 
E)  3.57 × 10-32 m

Question 3

Which of the following quantum numbers describes the size and energy 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 4

The element that corresponds to the electron configuration 1s22s22p2 is ________.

Accepted Answer

A)  nitrogen 
B)  lithium 
C)  hydrogen 
D)  phosphorus 
E)  carbon 
A)  nitrogen 
B)  lithium 
C)  hydrogen 
D)  phosphorus 
E)  carbon

Question 5

Describe the shape of an s orbital.

Accepted Answer

A)  a ball 
B)  two dumbbells 
C)  three dumbbells 
D)  four dumbbells 
E)  eight dumbbells 
A)  a ball 
B)  two dumbbells 
C)  three dumbbells 
D)  four dumbbells 
E)  eight dumbbells

Question 6

Describe how a neon light works.

Accepted Answer

A neon sign contains glass tub

Question 7

Calculate the orbital for the hydrogen atom that contains an electron with an energy of -2.42 × 10-19 J.

Accepted Answer

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

Question 8

How are 3p orbitals different from the 2p orbitals?

Accepted Answer

They are larger in s

Question 9

Identify the set of four quantum numbers that could represent the electron gained to form the Br ION from the Br atom.

Accepted Answer

A)  n = 4, l = 2, ml = 1, ms = -   
B)  n = 4, l = 0, ml = 1, ms = +   
C)  n = 4, l = 1, ml = 1, ms = -   
D)  n = 3, l = 2, ml = 2, ms = +   
E)  n = 5, l = 1, ml =-1 , ms = +   
A)  n = 4, l = 2, ml = 1, ms = -   
B)  n = 4, l = 0, ml = 1, ms = +   
C)  n = 4, l = 1, ml = 1, ms = -   
D)  n = 3, l = 2, ml = 2, ms = +   
E)  n = 5, l = 1, ml =-1 , ms = +

Question 10

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle) to form the Cl atom.

Accepted Answer

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

Question 11

What are the possible orbitals for n = 3?

Accepted Answer

A)  s, p, d 
B)  s, p, d, f 
C)  s 
D)  s, p 
A)  s, p, d 
B)  s, p, d, f 
C)  s 
D)  s, p

Question 12

Identify the ground-state electron configuration for TE2-.

Accepted Answer

A)  [Kr] 4d10 
B)  [Kr]5s24d10 
C)  [Kr] 5s24d105p6 
D)  [Kr]5s2 
E)  [Kr]5s24d2 
A)  [Kr] 4d10 
B)  [Kr]5s24d10 
C)  [Kr] 5s24d105p6 
D)  [Kr]5s2 
E)  [Kr]5s24d2

Question 13

For n = 3, what are the possible sublevels?

Accepted Answer

A)  0 
B)  0, 1 
C)  0, 1, 2 
D)  0, 1,2, 3 
A)  0 
B)  0, 1 
C)  0, 1, 2 
D)  0, 1,2, 3

Question 14

How many subshells are there in the shell with n = 4?

Accepted Answer

A)  3 
B)  4 
C)  6 
D)  18 
A)  3 
B)  4 
C)  6 
D)  18

Question 15

Calculate the energy of the red light emitted by a neon atom with a wavelength of 703 nm.

Accepted Answer

A)  3.54 × 10-19 J 
B)  4.27 × 10-19 J 
C)  2.34 × 10-19 J 
D)  6.45 × 10-19 J 
E)  2.83 × 10-19 J 
A)  3.54 × 10-19 J 
B)  4.27 × 10-19 J 
C)  2.34 × 10-19 J 
D)  6.45 × 10-19 J 
E)  2.83 × 10-19 J

Question 16

Choose the ground-state electron configuration for Zr2⁺.

Accepted Answer

A)  [Kr]5s2 
B)  [Kr]5s24d2 
C)  [Kr]4d2 
D)  [Kr] 
E)  [Kr]5s24d4 
A)  [Kr]5s2 
B)  [Kr]5s24d2 
C)  [Kr]4d2 
D)  [Kr] 
E)  [Kr]5s24d4

Question 17

Which of the following visible colours of light has the longest wavelength?

Accepted Answer

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

Question 18

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 19

Which of the following occurs as the energy of a photon increases?

Accepted Answer

A)  The frequency decreases. 
B)  The speed increases. 
C)  The wavelength increases. 
D)  The wavelength gets shorter. 
A)  The frequency decreases. 
B)  The speed increases. 
C)  The wavelength increases. 
D)  The wavelength gets shorter.

Question 20

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle) to the Sr atom.

Accepted Answer

A)  n = 5, l = 0, ml = 0, ms = -   
B)  n = 4, l = 1, ml = 1, ms = -   
C)  n = 5, l = 1, ml = 0, ms = +   
D)  n = 4, l = 1, ml = -1, ms = +   
E)  n = 5, l = 1, ml =1 , ms = -   
A)  n = 5, l = 0, ml = 0, ms = -   
B)  n = 4, l = 1, ml = 1, ms = -   
C)  n = 5, l = 1, ml = 0, ms = +   
D)  n = 4, l = 1, ml = -1, ms = +   
E)  n = 5, l = 1, ml =1 , ms = -

Exam 7: The Quantum-Mechanical Model of the Atom

Which of the following occurs as the wavelength of a photon increases?

Calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m s-1.

Which of the following quantum numbers describes the size and energy of an orbital?

The element that corresponds to the electron configuration 1s22s22p2 is ________.

Describe the shape of an s orbital.

Describe how a neon light works.

Calculate the orbital for the hydrogen atom that contains an electron with an energy of -2.42 × 10-19 J.

How are 3p orbitals different from the 2p orbitals?

Identify the set of four quantum numbers that could represent the electron gained to form the Br ION from the Br atom.

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle) to form the Cl atom.

What are the possible orbitals for n = 3?

Identify the ground-state electron configuration for TE2-.

For n = 3, what are the possible sublevels?

How many subshells are there in the shell with n = 4?

Calculate the energy of the red light emitted by a neon atom with a wavelength of 703 nm.

Choose the ground-state electron configuration for Zr2⁺.

Which of the following visible colours of light has the longest wavelength?

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

Which of the following occurs as the energy of a photon increases?

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle) to the Sr atom.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

Calculate the wavelength of a baseball (m = 155 g) moving at 32.5 m s^-1.

The element that corresponds to the electron configuration 1s²2s²2p² is ________.

Calculate the orbital for the hydrogen atom that contains an electron with an energy of -2.42 × 10^-19 J.

Identify the ground-state electron configuration for TE^2-.

Choose the ground-state electron configuration for Zr²⁺.

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