Question 1

Which of the images represents a p orbital?

Accepted Answer

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

Question 2

Which of the following statements regarding valence electrons is incorrect?

Accepted Answer

A) Main-group elements in the same group have the same number of valence electrons. 
B) The group numbers of the main-group elements are the sum of the number of s and p valence electrons. 
C) The elements in the s-block can have up to two valence electrons. 
D) An element in Group IVA will have six valence electrons. 
E) The electron configuration for nitrogen is 1s22s22p3, so it has five valence electrons.

Question 3

Which elements have a partially filled f sublevel in their ground-state electron configuration?

Accepted Answer

A) lanthanides or actinides 
B) alkaline earth metals 
C) halogens 
D) noble gases 
E) transition metals

Question 4

There are three orbitals in the 2p sublevel.

Accepted Answer

A) True 
 B)False

Question 5

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

Question 6

Rank the following types of electromagnetic radiation from shortest wavelength to longest wavelength: 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

Question 7

Since neon and argon are both noble gases, they produce the same spectrum.

Accepted Answer

A) True 
 B)False

Question 8

A laser used in DVD players has a wavelength of 405 nm.What is the energy of this light in joules?

Accepted Answer

A) 4.91 x 10-28 J 
B) 4.91 x 10-19 J 
C) 8.05 x 10-32 J 
D) 8.05 x 10-23 J 
E) 2.98 x 10-48 J

Question 9

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm.What is the frequency of this light in hertz (s-1)?

Accepted Answer

A) 4.57 x 105 s-1  
B) 4.57 x 1014 s-1  
C) 2.18 x 10-6 s-1  
D) 2.18 x 10-13 s-1  
E) 1.97 x 102 s-1

Question 10

The electron configuration 1s22s22p6 applies to all of the following species except:

Accepted Answer

A) Ne 
B) F-  
C) O2-  
D) Na+  
E) Ca2+

Question 11

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

Question 12

Which of the following statements regarding orbitals is correct?

Accepted Answer

A) There is no difference between the orbitals of the modern model of the atom and the orbits of the Bohr model of the atom. 
B) A 1s orbital can be represented as a two-dimensional circle centered around the nucleus of an atom. 
C) A 2p orbital is smaller than a 3p orbital. 
D) The p orbitals always come in sets of four. 
E) The d orbitals always have three lobes.

Question 13

Which of the following electron transitions in the hydrogen atom result in emission of light with the highest frequency?

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 frequency.

Question 14

What is the ground-state electron configuration for the oxide ion?

Accepted Answer

A) 1s22s22p2  
B) 1s22s22p4  
C) 1s22s22p6  
D) 1s22p6  
E) 1s22p8

Question 15

Some elements have electron configurations that deviate from normal electron filling rules.Which element has the ground-state electron configuration [Ar]4s13d10?

Accepted Answer

A) Ni 
B) Ag 
C) Cd 
D) Sn 
E) Cu

Question 16

What is the ground-state electron configuration for the calcium ion, Ca2+?

Accepted Answer

A) 1s22s22p63s23p6  
B) 1s22s22p63s23p63d2  
C) 1s22s22p63s23p64s2  
D) 1s22s22p63s23p64s23d2  
E) 1s22s22p63s23p63d4

Question 17

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-

Question 18

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

Accepted Answer

A) [Ar]4s3  
B) [Ar]4s24p1  
C) [Ar]4s24d1  
D) [Ar]4s23d1  
E) [Ar]3d3

Question 19

The maximum number of electrons in the 3rd principal energy level is 28.

Accepted Answer

A) True 
 B)False

Question 20

List the following colors of visible light from lowest frequency to highest frequency: 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

Exam 7: Electron Structure of the Atom

Which of the images represents a p orbital?

Which of the following statements regarding valence electrons is incorrect?

Which elements have a partially filled f sublevel in their ground-state electron configuration?

There are three orbitals in the 2p sublevel.

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

Rank the following types of electromagnetic radiation from shortest wavelength to longest wavelength: visible, ultraviolet, microwave, infrared, x-ray.

Since neon and argon are both noble gases, they produce the same spectrum.

A laser used in DVD players has a wavelength of 405 nm.What is the energy of this light in joules?

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm.What is the frequency of this light in hertz (s^-¹) ?

The electron configuration 1s²2s²2p⁶ applies to all of the following species except:

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

Which of the following statements regarding orbitals is correct?

Which of the following electron transitions in the hydrogen atom result in emission of light with the highest frequency?

What is the ground-state electron configuration for the oxide ion?

Some elements have electron configurations that deviate from normal electron filling rules.Which element has the ground-state electron configuration [Ar]4s¹3d¹⁰?

What is the ground-state electron configuration for the calcium ion, Ca²⁺?

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

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

The maximum number of electrons in the 3^rd principal energy level is 28.

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

Exam 7: Electron Structure of the Atom

Which of the images represents a p orbital?

Which of the following statements regarding valence electrons is incorrect?

Which elements have a partially filled f sublevel in their ground-state electron configuration?

There are three orbitals in the 2p sublevel.

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

Rank the following types of electromagnetic radiation from shortest wavelength to longest wavelength: visible, ultraviolet, microwave, infrared, x-ray.

Since neon and argon are both noble gases, they produce the same spectrum.

A laser used in DVD players has a wavelength of 405 nm.What is the energy of this light in joules?

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm.What is the frequency of this light in hertz (s-1) ?

The electron configuration 1s22s22p6 applies to all of the following species except:

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

Which of the following statements regarding orbitals is correct?

Which of the following electron transitions in the hydrogen atom result in emission of light with the highest frequency?

What is the ground-state electron configuration for the oxide ion?

Some elements have electron configurations that deviate from normal electron filling rules.Which element has the ground-state electron configuration [Ar]4s13d10?

What is the ground-state electron configuration for the calcium ion, Ca2+?

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

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

The maximum number of electrons in the 3rd principal energy level is 28.

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

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm.What is the frequency of this light in hertz (s^-¹) ?

The electron configuration 1s²2s²2p⁶ applies to all of the following species except:

Some elements have electron configurations that deviate from normal electron filling rules.Which element has the ground-state electron configuration [Ar]4s¹3d¹⁰?

What is the ground-state electron configuration for the calcium ion, Ca²⁺?

The maximum number of electrons in the 3^rd principal energy level is 28.