Question 1

Elements that have six electrons in the highest-energy p sublevel in their ground state are called ________.

Accepted Answer

A) alkali metals 
B) alkaline earth metals 
C) halogens 
D) noble gases 
E) transition metals 
A) alkali metals 
B) alkaline earth metals 
C) halogens 
D) noble gases 
E) transition metals

Question 2

Which of the following statements regarding electromagnetic radiation is incorrect?

Accepted Answer

A) The distance between two corresponding points on a wave is its wavelength. 
B) Each type of electromagnetic radiation has its own characteristic range of wavelengths and frequencies. 
C) The visible portion of the electromagnetic spectrum has the lowest energy of any of the types of electromagnetic radiation. 
D) The energy of electromagnetic radiation is directly proportional to its frequency. 
E) The wavelength of electromagnetic radiation is inversely proportional to its frequency. 
A) The distance between two corresponding points on a wave is its wavelength. 
B) Each type of electromagnetic radiation has its own characteristic range of wavelengths and frequencies. 
C) The visible portion of the electromagnetic spectrum has the lowest energy of any of the types of electromagnetic radiation. 
D) The energy of electromagnetic radiation is directly proportional to its frequency. 
E) The wavelength of electromagnetic radiation is inversely proportional to its frequency.

Question 3

Which element has two completely filled p sublevels, and four electrons in its other p sublevel in its ground-state electron configuration?

Accepted Answer

A) S 
B) O 
C) Se 
D) Si 
E) Ge 
A) S 
B) O 
C) Se 
D) Si 
E) Ge

Question 4

Which of the following statements regarding orbitals is correct?

Accepted Answer

A) A picture of an n = 1 Bohr orbit would look the same as a picture of a 1s orbital. 
B) The d orbitals always come in sets of four. 
C) The s orbitals always have two lobes. 
D) An orbital can hold four electrons. 
E) A 2p orbital is lower in energy than a 3p orbital. 
A) A picture of an n = 1 Bohr orbit would look the same as a picture of a 1s orbital. 
B) The d orbitals always come in sets of four. 
C) The s orbitals always have two lobes. 
D) An orbital can hold four electrons. 
E) A 2p orbital is lower in energy than a 3p orbital.

Question 5

Upon electrification, hydrogen produces a characteristic line spectrum consisting of four lines in the visible region of the electromagnetic spectrum. The light emitted in different regions of the visible spectrum corresponds to transitions from the third (n = 3), fourth (n = 4), fifth (n = 5), or sixth (n = 6)energy level down to the second (n = 2). Which transition corresponds to the violet line in the hydrogen spectrum?

Accepted Answer

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

Question 6

Which of the following is the correct ground state electron configuration for a silicon atom?

Accepted Answer

A) 1s22s22p63s4 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p4 
D) 1s22s22p63p4 
E) 1s22s22p63s23p6 
A) 1s22s22p63s4 
B) 1s22s22p63s23p2 
C) 1s22s22p63s23p4 
D) 1s22s22p63p4 
E) 1s22s22p63s23p6

Question 7

Which of the following is the correct orbital diagram for phosphorus?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

Upon electrification, hydrogen produces a line spectrum with the following lines in the visible region of the electromagnetic spectrum. If the light emitted corresponds to transitions from the third (n = 3), fourth (n = 4), fifth (n = 5), or sixth (n = 6)energy level down to the second (n = 2), which transition corresponds to the emission of light with lowest frequency?

Accepted Answer

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

Question 9

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Kr]4d10?

Accepted Answer

A) Ni 
B) Pd 
C) Cd 
D) Zn 
E) Xe 
A) Ni 
B) Pd 
C) Cd 
D) Zn 
E) Xe

Question 10

Rank the following elements in order of increasing atomic size: Al, Ba, O, C

Accepted Answer

A) Al < Ba < O < C 
B) Ba < Al < O < C 
C) Ba < Al < C < O 
D) O < C < Al < Ba 
E) C < O < Al < Ba 
A) Al < Ba < O < C 
B) Ba < Al < O < C 
C) Ba < Al < C < O 
D) O < C < Al < Ba 
E) C < O < Al < Ba

Question 11

What is the abbreviated ground-state electron configuration for Sc?

Accepted Answer

A) [Ar]4s3 
B) [Ar]4s34p1 
C) [Ar]4s34d1 
D) [Ar]4s33d1 
E) [Ar]3d1 
A) [Ar]4s3 
B) [Ar]4s34p1 
C) [Ar]4s34d1 
D) [Ar]4s33d1 
E) [Ar]3d1

Question 12

What is the abbreviated ground-state electron configuration for Co?

Accepted Answer

A) [Ar]4s9 
B) [Ar]3d9 
C) [Ar]4s24p7 
D) [Ar]4s24p64d1 
E) [Ar]4s23d7 
A) [Ar]4s9 
B) [Ar]3d9 
C) [Ar]4s24p7 
D) [Ar]4s24p64d1 
E) [Ar]4s23d7

Question 13

Which ion is expected to be the largest?

Accepted Answer

A) O2− 
B) Mg2+ 
C) Na+ 
D) F− 
E) All these ions have the same size. 
A) O2− 
B) Mg2+ 
C) Na+ 
D) F− 
E) All these ions have the same size.

Question 14

In the Bohr model of the hydrogen atom, when an electron absorbs energy, it moves into a higher energy orbit.

Accepted Answer

A) True 
 B)False

Question 15

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the frequency of this light in hertz (s-1)?

Accepted Answer

A) 6.88 × 105 s-1 
B) 6.88 × 1014 s-1 
C) 1.45 × 10-6 s-1 
D) 1.45 × 10-13 s-1 
E) 1.31 × 102 s-1 
A) 6.88 × 105 s-1 
B) 6.88 × 1014 s-1 
C) 1.45 × 10-6 s-1 
D) 1.45 × 10-13 s-1 
E) 1.31 × 102 s-1

Question 16

The maximum number of electrons in the 2nd principal energy level is 8.

Accepted Answer

A) True 
 B)False

Question 17

The color of visible light with the highest frequency is red.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following statements regarding the Bohr model of the hydrogen atom is incorrect?

Accepted Answer

A) In Bohr's model, when 1 electron moves directly from the n = 5 to the n = 3 orbit, two photons are emitted. 
B) In Bohr's model, when 1 electron moves from the n = 5 to the n = 4 orbit and then from the n = 4 to the n = 3 orbit, two photons are emitted. 
C) In Bohr's model, the transition of an electron from the n = 4 to the n = 3 orbit would result in the emission of a lower energy photon than a transition from the n = 3 to the n = 2 orbit. 
D) In Bohr's model, the transition of an electron from the n = 4 to the n = 3 orbit would result in the emission of a longer wavelength photon than a transition from the n = 3 to the n = 2 orbit. 
E) In Bohr's model, the four colored lines in the hydrogen spectrum result from transitions of electrons from higher energy levels down to the n = 2 orbit. 
A) In Bohr's model, when 1 electron moves directly from the n = 5 to the n = 3 orbit, two photons are emitted. 
B) In Bohr's model, when 1 electron moves from the n = 5 to the n = 4 orbit and then from the n = 4 to the n = 3 orbit, two photons are emitted. 
C) In Bohr's model, the transition of an electron from the n = 4 to the n = 3 orbit would result in the emission of a lower energy photon than a transition from the n = 3 to the n = 2 orbit. 
D) In Bohr's model, the transition of an electron from the n = 4 to the n = 3 orbit would result in the emission of a longer wavelength photon than a transition from the n = 3 to the n = 2 orbit. 
E) In Bohr's model, the four colored lines in the hydrogen spectrum result from transitions of electrons from higher energy levels down to the n = 2 orbit.

Question 19

The formula of the ionic compound that would be formed when magnesium and fluorine react is:

Accepted Answer

A) MgF 
B) Mg2F 
C) MgF2 
D) F2Mg 
E) FMg 
A) MgF 
B) Mg2F 
C) MgF2 
D) F2Mg 
E) FMg

Question 20

List the following colors of visible light from lowest energy to highest energy: green, blue, yellow, red, violet.

Accepted Answer

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

Elements that have six electrons in the highest-energy p sublevel in their ground state are called ________.

Which of the following statements regarding electromagnetic radiation is incorrect?

Which element has two completely filled p sublevels, and four electrons in its other p sublevel in its ground-state electron configuration?

Which of the following statements regarding orbitals is correct?

Which of the following is the correct ground state electron configuration for a silicon atom?

Which of the following is the correct orbital diagram for phosphorus?

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Kr]4d¹⁰?

Rank the following elements in order of increasing atomic size: Al, Ba, O, C

What is the abbreviated ground-state electron configuration for Sc?

What is the abbreviated ground-state electron configuration for Co?

Which ion is expected to be the largest?

In the Bohr model of the hydrogen atom, when an electron absorbs energy, it moves into a higher energy orbit.

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the frequency of this light in hertz (s^-1)?

The maximum number of electrons in the 2^nd principal energy level is 8.

The color of visible light with the highest frequency is red.

Which of the following statements regarding the Bohr model of the hydrogen atom is incorrect?

The formula of the ionic compound that would be formed when magnesium and fluorine react is:

List the following colors of visible light from lowest energy to highest energy: green, blue, yellow, red, violet.

Matter and Energy

Atoms, Ions, and the Periodic Table

Chemical Compounds

Chemical Composition

Chemical Reactions and Equations

Quantities in Chemical Reactions

Chemical Bonding

The Gaseous State

The Liquid and Solid States

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Oxidation-Reduction Reactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Exam 7: Electron Structure of the Atom

Elements that have six electrons in the highest-energy p sublevel in their ground state are called ________.

Which of the following statements regarding electromagnetic radiation is incorrect?

Which element has two completely filled p sublevels, and four electrons in its other p sublevel in its ground-state electron configuration?

Which of the following statements regarding orbitals is correct?

Which of the following is the correct ground state electron configuration for a silicon atom?

Which of the following is the correct orbital diagram for phosphorus?

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Kr]4d10?

Rank the following elements in order of increasing atomic size: Al, Ba, O, C

What is the abbreviated ground-state electron configuration for Sc?

What is the abbreviated ground-state electron configuration for Co?

Which ion is expected to be the largest?

In the Bohr model of the hydrogen atom, when an electron absorbs energy, it moves into a higher energy orbit.

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the frequency of this light in hertz (s-1)?

The maximum number of electrons in the 2nd principal energy level is 8.

The color of visible light with the highest frequency is red.

Which of the following statements regarding the Bohr model of the hydrogen atom is incorrect?

The formula of the ionic compound that would be formed when magnesium and fluorine react is:

List the following colors of visible light from lowest energy to highest energy: green, blue, yellow, red, violet.

Matter and Energy

Atoms, Ions, and the Periodic Table

Chemical Compounds

Chemical Composition

Chemical Reactions and Equations

Quantities in Chemical Reactions

Chemical Bonding

The Gaseous State

The Liquid and Solid States

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Oxidation-Reduction Reactions

Nuclear Chemistry

Organic Chemistry

Biochemistry

Filters

Some elements have electron configurations that deviate from normal electron filling rules. Which element has the ground-state electron configuration [Kr]4d¹⁰?

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the frequency of this light in hertz (s^-1)?

The maximum number of electrons in the 2^nd principal energy level is 8.