Question 1

The abbreviated electron configuration [Kr] applies to all of the following species except:

Accepted Answer

A) Br-  
B) As3-  
C) Se2-  
D) Sr2+  
E) Rb-  
A) Br-  
B) As3-  
C) Se2-  
D) Sr2+  
E) Rb-

Question 2

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s) + F2(g) 2LiF(s) Which of the following atoms decreases in radius as reactants turn to products?

Accepted Answer

A) lithium 
B) fluorine 
C) Both lithium and fluorine decrease in size 
D) Neither lithium nor fluorine decrease in size 
A) lithium 
B) fluorine 
C) Both lithium and fluorine decrease in size 
D) Neither lithium nor fluorine decrease in size

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

The valence level and the number of valence electrons, respectively, for bromine are:

Accepted Answer

A) 3 and 5 
B) 3 and 7 
C) 4 and 5 
D) 4 and 7 
E) 5 and 5 
A) 3 and 5 
B) 3 and 7 
C) 4 and 5 
D) 4 and 7 
E) 5 and 5

Question 5

Rank the following elements in order of increasing ionization energy: P, F, Cs, Mg

Accepted Answer

A) Cs < Mg < F < P 
B) Cs < F < Mg < P 
C) F < P < Mg < Cs 
D) P < Mg < F < Cs 
E) Cs < Mg < P < F 
A) Cs < Mg < F < P 
B) Cs < F < Mg < P 
C) F < P < Mg < Cs 
D) P < Mg < F < Cs 
E) Cs < Mg < P < F

Question 6

When completing the orbital diagram for the element phosphorus, which of the following statements is correct?

Accepted Answer

A) There are five electrons in the n = 3 energy level. 
B) The 2p sublevel is not full. 
C) There are electrons in the 3d sublevel. 
D) There are no electrons in the 3s sublevel. 
E) There is one unpaired electron in the 3p sublevel. 
A) There are five electrons in the n = 3 energy level. 
B) The 2p sublevel is not full. 
C) There are electrons in the 3d sublevel. 
D) There are no electrons in the 3s sublevel. 
E) There is one unpaired electron in the 3p sublevel.

Question 7

Which element has the abbreviated ground-state electron configuration [Ar]4s23d5?

Accepted Answer

A) Mn 
B) Cr 
C) V 
D) Fe 
E) no element-this configuration is incorrect. 
A) Mn 
B) Cr 
C) V 
D) Fe 
E) no element-this configuration is incorrect.

Question 8

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

Accepted Answer

A) 1s22s22p4  
B) 1s22s22p63s24p4  
C) 1s22s22p63s23p4  
D) 1s22s22p63s6  
E) 1s22s83s6  
A) 1s22s22p4  
B) 1s22s22p63s24p4  
C) 1s22s22p63s23p4  
D) 1s22s22p63s6  
E) 1s22s83s6

Question 9

Which element has the abbreviated ground-state electron configuration [Ne]3s23p5?

Accepted Answer

A) S 
B) Ar 
C) Cl 
D) P 
E) Br 
A) S 
B) Ar 
C) Cl 
D) P 
E) Br

Question 10

A fluorine atom is larger than a carbon atom because fluorine has more protons and more electrons than carbon.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following statements regarding spectra is incorrect?

Accepted Answer

A) Sunlight produces a continuous spectrum. 
B) A heated ionic compound produces a line spectrum. 
C) Several elements can produce the same line spectrum. 
D) If you know the wavelength of a line in a spectrum, the energy of the light associated with that line can be calculated. 
E) If you know the wavelength of a line in a spectrum, the frequency of the light associated with that line can be calculated. 
A) Sunlight produces a continuous spectrum. 
B) A heated ionic compound produces a line spectrum. 
C) Several elements can produce the same line spectrum. 
D) If you know the wavelength of a line in a spectrum, the energy of the light associated with that line can be calculated. 
E) If you know the wavelength of a line in a spectrum, the frequency of the light associated with that line can be calculated.

Question 12

Rank the following types of electromagnetic radiation from lowest frequency to highest frequency: visible, ultraviolet, microwave, infrared, x-ray.

Accepted Answer

A) x-ray < visible < ultraviolet < infrared < microwave 
B) x-ray < ultraviolet < visible < microwave < infrared 
C) x-ray < ultraviolet < visible < infrared < microwave 
D) infrared < microwave < ultraviolet < visible < x-ray 
E) microwave < infrared < visible < ultraviolet < x-ray 
A) x-ray < visible < ultraviolet < infrared < microwave 
B) x-ray < ultraviolet < visible < microwave < infrared 
C) x-ray < ultraviolet < visible < infrared < microwave 
D) infrared < microwave < ultraviolet < visible < x-ray 
E) microwave < infrared < visible < ultraviolet < x-ray

Question 13

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 14

When completing the orbital diagram for the element argon, which of the following statements is correct?

Accepted Answer

A) There are six electrons in the n = 3 energy level. 
B) The 3p sublevel is not full. 
C) There are electrons in the 3d sublevel. 
D) There are no electrons in the 4s sublevel. 
E) There is one unpaired electron in the 3p sublevel. 
A) There are six electrons in the n = 3 energy level. 
B) The 3p sublevel is not full. 
C) There are electrons in the 3d sublevel. 
D) There are no electrons in the 4s sublevel. 
E) There is one unpaired electron in the 3p sublevel.

Question 15

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 16

Elements that have five 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

The abbreviated electron configuration [Kr] applies to all of the following species except:

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s) + F₂(g) 2LiF(s) Which of the following atoms decreases in radius as reactants turn to products?

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

The valence level and the number of valence electrons, respectively, for bromine are:

Rank the following elements in order of increasing ionization energy: P, F, Cs, Mg

When completing the orbital diagram for the element phosphorus, which of the following statements is correct?

Which element has the abbreviated ground-state electron configuration [Ar]4s²3d⁵?

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

Which element has the abbreviated ground-state electron configuration [Ne]3s²3p⁵?

A fluorine atom is larger than a carbon atom because fluorine has more protons and more electrons than carbon.

Which of the following statements regarding spectra is incorrect?

Rank the following types of electromagnetic radiation from lowest frequency to highest frequency: visible, ultraviolet, microwave, infrared, x-ray.

Which of the following statements regarding electromagnetic radiation is incorrect?

When completing the orbital diagram for the element argon, which of the following statements is correct?

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

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

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

The abbreviated electron configuration [Kr] applies to all of the following species except:

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s) + F2(g) 2LiF(s) Which of the following atoms decreases in radius as reactants turn to products?

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

The valence level and the number of valence electrons, respectively, for bromine are:

Rank the following elements in order of increasing ionization energy: P, F, Cs, Mg

When completing the orbital diagram for the element phosphorus, which of the following statements is correct?

Which element has the abbreviated ground-state electron configuration [Ar]4s23d5?

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

Which element has the abbreviated ground-state electron configuration [Ne]3s23p5?

A fluorine atom is larger than a carbon atom because fluorine has more protons and more electrons than carbon.

Which of the following statements regarding spectra is incorrect?

Rank the following types of electromagnetic radiation from lowest frequency to highest frequency: visible, ultraviolet, microwave, infrared, x-ray.

Which of the following statements regarding electromagnetic radiation is incorrect?

When completing the orbital diagram for the element argon, which of the following statements is correct?

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

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

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

When the elements lithium and fluorine react, they become ions and form the ionic compound LiF: 2Li(s) + F₂(g) 2LiF(s) Which of the following atoms decreases in radius as reactants turn to products?

Which element has the abbreviated ground-state electron configuration [Ar]4s²3d⁵?

Which element has the abbreviated ground-state electron configuration [Ne]3s²3p⁵?