Question 1

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 C

Question 2

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 
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

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

Question 4

Write the element symbol for the element with the abbreviated electron configuration [Kr]5s24d105p3.

Accepted Answer

The given abbreviated electron configura

Question 5

Rank the following elements in order of increasing atomic size: Ge, Rb, Ne, S

Accepted Answer

A) Ge < Rb < Ne < S 
B) Rb < S < Ne < Ge 
C) S < Ne < Ge < Rb 
D) Ne < S < Ge < Rb 
E) Rb <Ge < Ne < S 
A) Ge < Rb < Ne < S 
B) Rb < S < Ne < Ge 
C) S < Ne < Ge < Rb 
D) Ne < S < Ge < Rb 
E) Rb <Ge < Ne < S

Question 6

When completing the orbital diagram for the element silicon, 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 no electrons in the 3d sublevel. 
D) There are no electrons in the 3s sublevel. 
E) There are no unpaired electrons 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 no electrons in the 3d sublevel. 
D) There are no electrons in the 3s sublevel. 
E) There are no unpaired electrons in the 3p sublevel.

Question 7

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 8

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

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 9

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

Question 10

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

Question 11

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 12

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

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

A) Ca2+, Ca 
B) Cl, Cl− 
C) Rb+, Sr2+ 
D) Br−, Se2− 
E) Br, Br− 
A) Ca2+, Ca 
B) Cl, Cl− 
C) Rb+, Sr2+ 
D) Br−, Se2− 
E) Br, Br−

Question 14

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

Accepted Answer

A) 2 and 3 
B) 2 and 5 
C) 3 and 3 
D) 3 and 5 
E) 3 and 6 
A) 2 and 3 
B) 2 and 5 
C) 3 and 3 
D) 3 and 5 
E) 3 and 6

Question 15

Which of the following statements regarding valence electrons is incorrect?

Accepted Answer

A) The valence electrons are the electrons in the last-occupied principal energy level. 
B) For main-group elements, the number of valence electrons is equal to the number of electrons in the highest-energy s and p sublevels. 
C) Except for helium, the Roman numeral group number corresponds to the number of valence electrons for the main-group elements. 
D) The period number of an element equals the energy level of the valence electrons. 
E) Elements in the p-block in the fourth period and below include their d electrons as part of their valence electron count. 
A) The valence electrons are the electrons in the last-occupied principal energy level. 
B) For main-group elements, the number of valence electrons is equal to the number of electrons in the highest-energy s and p sublevels. 
C) Except for helium, the Roman numeral group number corresponds to the number of valence electrons for the main-group elements. 
D) The period number of an element equals the energy level of the valence electrons. 
E) Elements in the p-block in the fourth period and below include their d electrons as part of their valence electron count.

Question 16

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

Accepted Answer

A) 1s22s22p8 
B) 1s22s22p63s2 
C) 1s22s10 
D) 1s22s22p63s23p2 
E) 1s22s22p63s1 
A) 1s22s22p8 
B) 1s22s22p63s2 
C) 1s22s10 
D) 1s22s22p63s23p2 
E) 1s22s22p63s1

Question 17

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

Accepted Answer

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

Question 18

What is the energy of a photon of yellow light whose wavelength is 589 nm?

Accepted Answer

A) 3.37 × 10−19 J 
B) 3.37 × 10−10 J 
C) 1.77 × 102 J 
D) 5.09 × 105 J 
E) 3.38 × 10−28 J 
A) 3.37 × 10−19 J 
B) 3.37 × 10−10 J 
C) 1.77 × 102 J 
D) 5.09 × 105 J 
E) 3.38 × 10−28 J

Question 19

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

Accepted Answer

A) 1s22s22p3 
B) 1s22s22p63s24p3 
C) 1s22s22p63s23p3 
D) 1s22s22p63s5 
E) 1s22s83s5 
A) 1s22s22p3 
B) 1s22s22p63s24p3 
C) 1s22s22p63s23p3 
D) 1s22s22p63s5 
E) 1s22s83s5

Question 20

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

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

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

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

Write the element symbol for the element with the abbreviated electron configuration [Kr]5s²4d¹⁰5p³.

Rank the following elements in order of increasing atomic size: Ge, Rb, Ne, S

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

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

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

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?

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)?

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

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

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

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

Which of the following statements regarding valence electrons is incorrect?

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

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

What is the energy of a photon of yellow light whose wavelength is 589 nm?

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

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

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

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

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

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

Write the element symbol for the element with the abbreviated electron configuration [Kr]5s24d105p3.

Rank the following elements in order of increasing atomic size: Ge, Rb, Ne, S

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

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

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

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?

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)?

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

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

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

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

Which of the following statements regarding valence electrons is incorrect?

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

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

What is the energy of a photon of yellow light whose wavelength is 589 nm?

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

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

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]3s²3p²?

Write the element symbol for the element with the abbreviated electron configuration [Kr]5s²4d¹⁰5p³.

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)?

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