Question 1

Colored light from a heated ionic compound produces a continuous spectrum.

Accepted Answer

A) True 
 B)False

Question 2

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 3

Rank the following elements in order of increasing atomic size: 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 4

Rank the following elements in order of increasing ionization energy: 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 5

The green line observed in the line spectrum for hydrogen has a wavelength of 486 nm. What is the energy of a photon of this light?

Accepted Answer

A) 9.66 × 10-23 J 
B) 4.09 × 10-28 J 
C) 4.09 × 10-19 J 
D) 2.44 × 1018 J 
E) 2.44 × 1027 J 
A) 9.66 × 10-23 J 
B) 4.09 × 10-28 J 
C) 4.09 × 10-19 J 
D) 2.44 × 1018 J 
E) 2.44 × 1027 J

Question 6

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 highest 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 7

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

Accepted Answer

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

Question 8

The electron configuration 1s22s22p63s23p64s23d104p6 applies to all of the following species except:

Accepted Answer

A) Br- 
B) Kr 
C) Sr2+ 
D) Rb+ 
E) K+ 
A) Br- 
B) Kr 
C) Sr2+ 
D) Rb+ 
E) K+

Question 9

Which of the images represents an s orbital?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) none of the 
A) A 
B) B 
C) C 
D) D 
E) none of the

Question 10

Rank the following elements in order of increasing atomic size: Sr, He, Si, F

Accepted Answer

A) F < He < Sr < Si 
B) F < Sr < Si < He 
C) He < F < Si < Sr 
D) Sr < Si < F < He 
E) Si < Sr < F < He 
A) F < He < Sr < Si 
B) F < Sr < Si < He 
C) He < F < Si < Sr 
D) Sr < Si < F < He 
E) Si < Sr < F < He

Question 11

The wavelength of the yellow light given off by a sodium vapor street lamp is 589 nm. What is the frequency of this light in hertz (s-1)?

Accepted Answer

A) 5.09 × 105 s-1 
B) 5.09 × 1014 s-1 
C) 1.96 × 10-6 s-1 
D) 1.96 × 10-13 s-1 
E) 1.77 × 102 s-1 
A) 5.09 × 105 s-1 
B) 5.09 × 1014 s-1 
C) 1.96 × 10-6 s-1 
D) 1.96 × 10-13 s-1 
E) 1.77 × 102 s-1

Question 12

Which element has three completely filled s sublevels, one electron in its other s sublevel, and no d electrons in its ground-state electron configuration?

Accepted Answer

A) Na 
B) K 
C) Ca 
D) Mg 
E) C 
A) Na 
B) K 
C) Ca 
D) Mg 
E) C

Question 13

The electron configuration 1s22s22p63s23p6 applies to all of the following species except:

Accepted Answer

A) Cl- 
B) Ar 
C) Ca2+ 
D) Na+ 
E) K+ 
A) Cl- 
B) Ar 
C) Ca2+ 
D) Na+ 
E) K+

Question 14

Frequency is directly proportional to wavelength.

Accepted Answer

A) True 
 B)False

Question 15

Select the pair that has the larger atom or ion listed first.

Accepted Answer

A) Al3+, Al 
B) O, O2− 
C) K+, Ca2+ 
D) N, N3− 
E) O2−, Cl− 
A) Al3+, Al 
B) O, O2− 
C) K+, Ca2+ 
D) N, N3− 
E) O2−, Cl−

Question 16

List the following colors of visible light from shortest wavelength to longest wavelength: 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

Question 17

Which element has the abbreviated ground-state electron configuration [Ar]4s23d8?

Accepted Answer

A) Co 
B) Ni 
C) Kr 
D) Cu 
E) Ca 
A) Co 
B) Ni 
C) Kr 
D) Cu 
E) Ca

Question 18

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the energy of this light in joules?

Accepted Answer

A) 4.56 × 10−28 J 
B) 4.56 × 10−19 J 
C) 8.67 × 10−32 J 
D) 8.67 × 10−23 J 
E) 9.63 × 10−40 J 
A) 4.56 × 10−28 J 
B) 4.56 × 10−19 J 
C) 8.67 × 10−32 J 
D) 8.67 × 10−23 J 
E) 9.63 × 10−40 J

Question 19

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

Accepted Answer

A) CaF 
B) Ca2F 
C) CaF2 
D) F2Ca 
E) FCa 
A) CaF 
B) Ca2F 
C) CaF2 
D) F2Ca 
E) FCa

Question 20

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

Accepted Answer

A) 4 and 2 
B) 2 and 4 
C) 4 and 4 
D) 3 and 2 
E) 2 and 2 
A) 4 and 2 
B) 2 and 4 
C) 4 and 4 
D) 3 and 2 
E) 2 and 2

Colored light from a heated ionic compound produces a continuous spectrum.

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

Rank the following elements in order of increasing atomic size: P, F, Cs, Mg

Rank the following elements in order of increasing ionization energy: Al, Ba, O, C

The green line observed in the line spectrum for hydrogen has a wavelength of 486 nm. What is the energy of a photon of this light?

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

The electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶ applies to all of the following species except:

Which of the images represents an s orbital?

Rank the following elements in order of increasing atomic size: Sr, He, Si, F

The wavelength of the yellow light given off by a sodium vapor street lamp is 589 nm. What is the frequency of this light in hertz (s^-1)?

Which element has three completely filled s sublevels, one electron in its other s sublevel, and no d electrons in its ground-state electron configuration?

The electron configuration 1s²2s²2p⁶3s²3p⁶ applies to all of the following species except:

Frequency is directly proportional to wavelength.

Select the pair that has the larger atom or ion listed first.

List the following colors of visible light from shortest wavelength to longest wavelength: green, blue, yellow, red, violet.

Which element has the abbreviated ground-state electron configuration [Ar]4s²3d⁸?

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the energy of this light in joules?

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

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

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

Colored light from a heated ionic compound produces a continuous spectrum.

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

Rank the following elements in order of increasing atomic size: P, F, Cs, Mg

Rank the following elements in order of increasing ionization energy: Al, Ba, O, C

The green line observed in the line spectrum for hydrogen has a wavelength of 486 nm. What is the energy of a photon of this light?

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

The electron configuration 1s22s22p63s23p64s23d104p6 applies to all of the following species except:

Which of the images represents an s orbital?

Rank the following elements in order of increasing atomic size: Sr, He, Si, F

The wavelength of the yellow light given off by a sodium vapor street lamp is 589 nm. What is the frequency of this light in hertz (s-1)?

Which element has three completely filled s sublevels, one electron in its other s sublevel, and no d electrons in its ground-state electron configuration?

The electron configuration 1s22s22p63s23p6 applies to all of the following species except:

Frequency is directly proportional to wavelength.

Select the pair that has the larger atom or ion listed first.

List the following colors of visible light from shortest wavelength to longest wavelength: green, blue, yellow, red, violet.

Which element has the abbreviated ground-state electron configuration [Ar]4s23d8?

The wavelength of the blue light given off by a mercury vapor street lamp is 436 nm. What is the energy of this light in joules?

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

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

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

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

The electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶ applies to all of the following species except:

The wavelength of the yellow light given off by a sodium vapor street lamp is 589 nm. What is the frequency of this light in hertz (s^-1)?

The electron configuration 1s²2s²2p⁶3s²3p⁶ applies to all of the following species except:

Which element has the abbreviated ground-state electron configuration [Ar]4s²3d⁸?