Question 1

In the Bohr model of the hydrogen atom, an electron can exist between orbits.

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

Which element has the abbreviated ground-state electron configuration [Ne]3s23p2?

Accepted Answer

A) Al 
B) P 
C) Si 
D) Cl 
E) Ar 
A) Al 
B) P 
C) Si 
D) Cl 
E) Ar

Question 4

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

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 5

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm.What is the energy of a photon of this light?

Accepted Answer

A) 3.03 x 10-28 J 
B) 3.03 x 10-19 J 
C) 3.30 x 1027 J 
D) 3.30 x 1018 J 
E) 1.30 x 10-22 J 
A) 3.03 x 10-28 J 
B) 3.03 x 10-19 J 
C) 3.30 x 1027 J 
D) 3.30 x 1018 J 
E) 1.30 x 10-22 J

Question 6

Which of the images represents an s orbital?

Accepted Answer

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

Question 7

Wavelength is inversely proportional to energy.

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

A) Bohr's model shows the electron circling the nucleus in fixed orbits. 
B) In Bohr's model, electrons could exist between orbits. 
C) In Bohr's model, when an electron absorbs energy, it can move to a higher-energy orbit. 
D) In Bohr's model, when an electron emits energy, it can move to a lower-energy orbit. 
E) In Bohr's model, n = 1 is the lowest energy orbit. 
A) Bohr's model shows the electron circling the nucleus in fixed orbits. 
B) In Bohr's model, electrons could exist between orbits. 
C) In Bohr's model, when an electron absorbs energy, it can move to a higher-energy orbit. 
D) In Bohr's model, when an electron emits energy, it can move to a lower-energy orbit. 
E) In Bohr's model, n = 1 is the lowest energy orbit.

Question 9

Which of the following is the correct ground state electron configuration for chlorine?

Accepted Answer

A) 1s22s22p5  
B) 1s22s22p63s24p5  
C) 1s22s22p63s23p5  
D) 1s22s22p63s23p6  
E) 1s22s22p63s24p6  
A) 1s22s22p5  
B) 1s22s22p63s24p5  
C) 1s22s22p63s23p5  
D) 1s22s22p63s23p6  
E) 1s22s22p63s24p6

Question 10

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 11

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

Accepted Answer

A) P, P3-  
B) Na+, Na 
C) S, S2-  
D) Br-, Kr 
E) Mg2+, Mg 
A) P, P3-  
B) Na+, Na 
C) S, S2-  
D) Br-, Kr 
E) Mg2+, Mg

Question 12

Atoms of the alkaline earth elements have one valence electron.

Accepted Answer

A) True 
 B)False

Question 13

Wavelength is inversely proportional to frequency.

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A) Cl-  
B) P3-  
C) O2-  
D) Ca2+  
E) K+  
A) Cl-  
B) P3-  
C) O2-  
D) Ca2+  
E) K+

Question 15

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 16

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 17

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 18

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 19

Rank the following elements in order of increasing ionization energy: Sr, He, Si, F

Accepted Answer

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

Question 20

Frequency is directly proportional to wavelength.

Accepted Answer

A) True 
 B)False

In the Bohr model of the hydrogen atom, an electron can exist between orbits.

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 the abbreviated ground-state electron configuration [Ne]3s²3p²?

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

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm.What is the energy of a photon of this light?

Which of the images represents an s orbital?

Wavelength is inversely proportional to energy.

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

Which of the following is the correct ground state electron configuration for chlorine?

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

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

Atoms of the alkaline earth elements have one valence electron.

Wavelength is inversely proportional to frequency.

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

Which ion is expected to be the largest?

Which of the following statements regarding orbitals is correct?

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

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

Rank the following elements in order of increasing ionization energy: Sr, He, Si, F

Frequency is directly proportional to wavelength.

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

In the Bohr model of the hydrogen atom, an electron can exist between orbits.

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 the abbreviated ground-state electron configuration [Ne]3s23p2?

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

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm.What is the energy of a photon of this light?

Which of the images represents an s orbital?

Wavelength is inversely proportional to energy.

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

Which of the following is the correct ground state electron configuration for chlorine?

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

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

Atoms of the alkaline earth elements have one valence electron.

Wavelength is inversely proportional to frequency.

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

Which ion is expected to be the largest?

Which of the following statements regarding orbitals is correct?

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

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

Rank the following elements in order of increasing ionization energy: Sr, He, Si, F

Frequency is directly proportional to wavelength.

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

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 the abbreviated ground-state electron configuration [Ne]3s²3p²?

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