Question 1

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

Accepted Answer

A) S, S2-  
B) Cl, Cl-  
C) F-, Ne 
D) P, P3-  
E) Br-, Se2-  
A) S, S2-  
B) Cl, Cl-  
C) F-, Ne 
D) P, P3-  
E) Br-, Se2-

Question 2

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 3

A laser emits light with a frequency of 4.69 x 1014 s-1.Calculate the wavelength of this light.

Accepted Answer

A) 640 nm 
B) 6.40 x 10-9 m 
C) 1.56 x 106 m 
D) 1.41 x 1025 m 
E) 1.41 x 1014 nm 
A) 640 nm 
B) 6.40 x 10-9 m 
C) 1.56 x 106 m 
D) 1.41 x 1025 m 
E) 1.41 x 1014 nm

Question 4

The green line observed in the line spectrum for hydrogen has a wavelength of 486 nm.What is the frequency of this light in hertz (s-1)?

Accepted Answer

A) 1.46 x 102 s-1  
B) 6.17 x 105 s-1  
C) 6.17 x 1014 s-1  
D) 1.62 x 10-6 s-1  
E) 1.62 x 10-13 s-1  
A) 1.46 x 102 s-1  
B) 6.17 x 105 s-1  
C) 6.17 x 1014 s-1  
D) 1.62 x 10-6 s-1  
E) 1.62 x 10-13 s-1

Question 5

Which of the following electron transitions in the hydrogen atom result in emission of light with the longest wavelength?

Accepted Answer

A) n = 6 to n = 2 
B) n = 3 to n = 2 
C) n = 2 to n = 3 
D) n = 2 to n = 6 
E) All of these emit light with the same wavelength. 
A) n = 6 to n = 2 
B) n = 3 to n = 2 
C) n = 2 to n = 3 
D) n = 2 to n = 6 
E) All of these emit light with the same wavelength.

Question 6

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 7

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 8

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

Question 9

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

Accepted Answer

A) Cl-  
B) N3-  
C) O2-  
D) Mg2+  
E) F? 
A) Cl-  
B) N3-  
C) O2-  
D) Mg2+  
E) F?

Question 10

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 11

The type of radiation with wavelengths just slightly shorter than violet is superviolet.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A) 1s22s22p7  
B) 1s22s22p63s23p1  
C) 1s22s22p63s1  
D) 1s22s22p63p1  
E) 1s22s22p6  
A) 1s22s22p7  
B) 1s22s22p63s23p1  
C) 1s22s22p63s1  
D) 1s22s22p63p1  
E) 1s22s22p6

Question 13

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 14

Which ion is expected to be the largest?

Accepted Answer

A) Ca2+  
B) S2-  
C) K+  
D) Cl-  
E) All these ions have the same size. 
A) Ca2+  
B) S2-  
C) K+  
D) Cl-  
E) All these ions have the same size.

Question 15

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 16

How many unpaired electrons are in the orbital diagram for phosphorus?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 6 
A) 0 
B) 1 
C) 2 
D) 3 
E) 6

Question 17

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

Question 18

When an electron moves directly from the n = 3 to the n = 1 orbit, it emits two photons.

Accepted Answer

A) True 
 B)False

Question 19

Which element has four completely filled s sublevels, and three d electrons in its ground-state electron configuration?

Accepted Answer

A) V 
B) Cr 
C) Nb 
D) Ti 
E) Sc 
A) V 
B) Cr 
C) Nb 
D) Ti 
E) Sc

Question 20

Elements that have only one electron in the highest-energy s 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

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

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?

A laser emits light with a frequency of 4.69 x 10¹⁴s^-¹.Calculate the wavelength of this light.

The green line observed in the line spectrum for hydrogen has a wavelength of 486 nm.What is the frequency of this light in hertz (s^-¹)?

Which of the following electron transitions in the hydrogen atom result in emission of light with the longest wavelength?

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

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

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

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

The type of radiation with wavelengths just slightly shorter than violet is superviolet.

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

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

Which ion is expected to be the largest?

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

How many unpaired electrons are in the orbital diagram for phosphorus?

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)?

When an electron moves directly from the n = 3 to the n = 1 orbit, it emits two photons.

Which element has four completely filled s sublevels, and three d electrons in its ground-state electron configuration?

Elements that have only one electron in the highest-energy s 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

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

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?

A laser emits light with a frequency of 4.69 x 1014 s-1.Calculate the wavelength of this light.

The green line observed in the line spectrum for hydrogen has a wavelength of 486 nm.What is the frequency of this light in hertz (s-1)?

Which of the following electron transitions in the hydrogen atom result in emission of light with the longest wavelength?

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

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

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

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

The type of radiation with wavelengths just slightly shorter than violet is superviolet.

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

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

Which ion is expected to be the largest?

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

How many unpaired electrons are in the orbital diagram for phosphorus?

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)?

When an electron moves directly from the n = 3 to the n = 1 orbit, it emits two photons.

Which element has four completely filled s sublevels, and three d electrons in its ground-state electron configuration?

Elements that have only one electron in the highest-energy s 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

A laser emits light with a frequency of 4.69 x 10¹⁴s^-¹.Calculate the wavelength of this light.

The green line observed in the line spectrum for hydrogen has a wavelength of 486 nm.What is the frequency of this light in hertz (s^-¹)?

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)?