Question 1

Identify the ground-state electron configuration for Mg2⁺.

Accepted Answer

A) 1s22s22p63s2 
B) 1s22s22p6 
C) 1s22s22p63s23p2 
D) 1s22s22p63s23p6 
E) 1s22s22p63s1 
A) 1s22s22p63s2 
B) 1s22s22p6 
C) 1s22s22p63s23p2 
D) 1s22s22p63s23p6 
E) 1s22s22p63s1

Question 2

How many different values of ml are possible in the 4f sublevel?

Accepted Answer

A) 1 
B) 7 
C) 3 
D) 5 
E) 2 
A) 1 
B) 7 
C) 3 
D) 5 
E) 2

Question 3

Describe the shape of a p orbital.

Accepted Answer

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

Question 4

Give the value of l for a 3p sublevel.

Accepted Answer

A) 1 
B) 0 
C) -1 
D) 2 
E) -2 
A) 1 
B) 0 
C) -1 
D) 2 
E) -2

Question 5

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

Accepted Answer

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

Question 6

Identify the ground-state electron configuration for Rb⁺.

Accepted Answer

A) [Ar]4s24p6 
B) [Kr]5s1 
C) [Ar]4s23d104p6 
D) [Kr]5s2 
E) [Kr]5s24d2 
A) [Ar]4s24p6 
B) [Kr]5s1 
C) [Ar]4s23d104p6 
D) [Kr]5s2 
E) [Kr]5s24d2

Question 7

An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz. The wavelength of this radiation is ________ m.

Accepted Answer

A) 2.982 × 106 
B) 2.982 
C) 3.018 × 1016 
D) 3.018 × 1010 
E) 0.3353 
A) 2.982 × 106 
B) 2.982 
C) 3.018 × 1016 
D) 3.018 × 1010 
E) 0.3353

Question 8

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 9

Determine the shortest frequency of light required to remove an electron from a sample of Ti metal if the binding energy of titanium is 3.14 × 103 kJ mol-1.

Accepted Answer

A) 7.87 × 1015 Hz 
B) 4.74 × 1015 Hz 
C) 2.11 × 1015 Hz 
D) 1.27 × 1015 Hz 
E) 6.19 × 1015 Hz 
A) 7.87 × 1015 Hz 
B) 4.74 × 1015 Hz 
C) 2.11 × 1015 Hz 
D) 1.27 × 1015 Hz 
E) 6.19 × 1015 Hz

Question 10

The number of cycles that pass through a stationary point 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 11

Identify the colour of a flame test for potassium.

Accepted Answer

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

Question 12

On the electromagnetic spectrum, visible light is immediately between two other wavelengths. Name them.

Accepted Answer

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

Question 13

How many orbitals are contained in the third principal level (n = 3)of a given atom?

Accepted Answer

A) 9 
B) 3 
C) 18 
D) 7 
E) 5 
A) 9 
B) 3 
C) 18 
D) 7 
E) 5

Question 14

What is the maximum number of p orbitals that are possible?

Accepted Answer

A) 1 
B) 3 
C) 7 
D) 5 
E) 9 
A) 1 
B) 3 
C) 7 
D) 5 
E) 9

Question 15

An electron initially in the n = 2 orbital of a hydrogen atom absorbs a photon with a wavelength of 656 nm. Calculate the final orbital, nf.

Accepted Answer

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

Question 16

Give the ground-state electron configuration for Br⁻.

Accepted Answer

A) [Ar]4s23d104p6 
B) [Ar]4s23d104p5 
C) [Ar]4s24p6 
D) [Ar]4s24d104p6 
E) [Ar]4s23d104p4 
A) [Ar]4s23d104p6 
B) [Ar]4s23d104p5 
C) [Ar]4s24p6 
D) [Ar]4s24d104p6 
E) [Ar]4s23d104p4

Question 17

How many of the following species are paramagnetic? Sc3⁺ Br⁻ Mg2⁺ Se

Accepted Answer

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

Question 18

Calculate the energy associated with an n = 2 to n = 5 transmission in a hydrogen atom.

Accepted Answer

A) 9.176 × 10-20 J 
B) 1.977 × 10-19 J 
C) 5.005 × 10-19 J 
D) 4.844 × 10-19 J 
E) 4.578 × 10-19 J 
A) 9.176 × 10-20 J 
B) 1.977 × 10-19 J 
C) 5.005 × 10-19 J 
D) 4.844 × 10-19 J 
E) 4.578 × 10-19 J

Question 19

Match the following.

-0

Accepted Answer

A) number of unpaired electrons in Zn2+ 
B) number of unpaired electrons in Ti2+ 
A) number of unpaired electrons in Zn2+ 
B) number of unpaired electrons in Ti2+

Question 20

Identify the ground-state electron configuration for the ion of Ba.

Accepted Answer

A) [Kr]5s25p6 
B) [Kr]5s24d105p66s26p2 
C) [Kr]5s24d105p66s1 
D) [Kr]5s24d105p66s2 
E) [Kr]5s24d105p6 
A) [Kr]5s25p6 
B) [Kr]5s24d105p66s26p2 
C) [Kr]5s24d105p66s1 
D) [Kr]5s24d105p66s2 
E) [Kr]5s24d105p6

Exam 7: The Quantum-Mechanical Model of the Atom

Identify the ground-state electron configuration for Mg2⁺.

How many different values of ml are possible in the 4f sublevel?

Describe the shape of a p orbital.

Give the value of l for a 3p sublevel.

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

Identify the ground-state electron configuration for Rb⁺.

An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz. The wavelength of this radiation is ________ m.

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

Determine the shortest frequency of light required to remove an electron from a sample of Ti metal if the binding energy of titanium is 3.14 × 103 kJ mol-1.

The number of cycles that pass through a stationary point is called

Identify the colour of a flame test for potassium.

On the electromagnetic spectrum, visible light is immediately between two other wavelengths. Name them.

How many orbitals are contained in the third principal level (n = 3)of a given atom?

What is the maximum number of p orbitals that are possible?

An electron initially in the n = 2 orbital of a hydrogen atom absorbs a photon with a wavelength of 656 nm. Calculate the final orbital, nf.

Give the ground-state electron configuration for Br⁻.

How many of the following species are paramagnetic? Sc3⁺ Br⁻ Mg2⁺ Se

Calculate the energy associated with an n = 2 to n = 5 transmission in a hydrogen atom.

Match the following. -0

Identify the ground-state electron configuration for the ion of Ba.

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 Metallury

Transition Metals and Coordination Compounds

Filters

Identify the ground-state electron configuration for Mg²⁺.

How many different values of m_l are possible in the 4f sublevel?

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

Determine the shortest frequency of light required to remove an electron from a sample of Ti metal if the binding energy of titanium is 3.14 × 10³ kJ mol^-1.

An electron initially in the n = 2 orbital of a hydrogen atom absorbs a photon with a wavelength of 656 nm. Calculate the final orbital, n_f.

How many of the following species are paramagnetic? Sc³⁺ Br⁻ Mg^2⁺ Se