Question 1

Construct a shell model for calcium, Ca, like Figure 3.9 in the text.

Accepted Answer

Calcium has a nuclear charge o...

Question 2

Orbitals for which l = 1 are described by which of the following symbols?

Accepted Answer

A)   s
B)   p
C)   d
D)   f
E)   gF) C) and D)
G) All of the above

Question 3

If green light has a frequency of 5.0 x 1014 s-1, what is the wavelength (in meters)  of this light?

Accepted Answer

A)   6.7 x 10-24
B)   2.0 x 10-15
C)   6.0 x 10-7
D)   3.0 x 108
E)   none of the aboveF) B) and E)
G) C) and D) C

Question 4

Arrange the following elements in order of increasing first ionization energy:

Ne, Na, Mg

Accepted Answer

A)   Ne 
B)   Na 
C)   Ne 
D)   Mg 
E)   Na < Ne < MgF) A) and C)
G) A) and E) B

Question 5

A single atom of element 109 has been synthesized. Predict the electronic configuration of this element. Which of the following elements would 109 most resemble?

Accepted Answer

A)   Ta
B)   Re
C)   Ir
D)   Au
E)   TlF) B) and D)
G) A) and D)

Question 6

Which of the following subshells would be filled first when electrons are added to a gold atom?

Accepted Answer

A)   4f
B)   5d
C)   6s
D)   6p
E)   6dF) A) and B)
G) A) and E)

Question 7

First ionization energy has been defined as the energy required to remove the most loosely held electron from an electrically neutral atom. Second ionization energy is the minimum energy required to remove an electron from a +1 cation (from an atom that has already lost its first electron). In the same way third ionization energy is the minimum energy to remove an electron from a +2 cation (from an atom that has lost two electrons).
Below is a table of first, second, third and fourth ionization energies for Na, Mg and Al. Explain this data for the magnesium atom in terms of its electron configuration.

Accepted Answer

The first and second electrons are relat...

Question 8

Which of the following would have the electron configuration:

1s2 2s2 2p6 3s2 3p6 3d4

Accepted Answer

A)   Ca2+
B)   Cr2+
C)   Fe2+
D)   Ti2+
E)   none of theseF) C) and D)
G) A) and D)

Question 9

How would you expect the first ionization energy of K to compare to that of Ar?

Accepted Answer

A)   K > Ar
B)   K = Ar
C)   K 
D)   First ionization energies for an atom can vary
E)   Ar does not ionizeF) A) and B)
G) A) and E)

Question 10

Give the abbreviated electron configuration of platinum, Pt.

Accepted Answer

The answer of Give the abbreviated electron configuration of platinum,...

Question 11

Which of the following wavelengths or frequencies of light will have photons with the highest energy?

Accepted Answer

A)   450 nm
B)   4.5 x 1014 Hz
C)   600 nm
D)   5.0 x 1014 Hz
E)   none of theseF) None of the above
G) B) and C)

Question 12

Arrange the following ions in order of decreasing ionic radius.

Accepted Answer

A)   F- > Cl- > Br- > Na+ > Li+
B)   Na+ > Li+ > F- > Cl- > Br-
C)   Br- > Cl- > F- > Li+ > Na+ 
D)   Br- > Cl- > F- > Na+ > Li+
E)   Br-> Cl- >Na+ > F- > Li+F) A) and E)
G) C) and D)

Question 13

Which of the following atoms has a core charge of +6?

Accepted Answer

A)   B
B)   C
C)   N
D)   Si
E)   SF) C) and D)
G) A) and D) E

Question 14

How many electrons can be placed in a 3d orbital?

Accepted Answer

A)   2
B)   6
C)   8
D)   10
E)   18F) C) and E)
G) B) and D)

Question 15

Calculate the maximum number of electrons that can fit into the n = 4 shell of orbitals.

Accepted Answer

A)   6
B)   8
C)   18
D)   16
E)   32F) All of the above
G) A) and C)

Question 16

How do Photoelectron spectroscopy experiments differ from experiments used to obtain first ionization energies?

Accepted Answer

Experiments to obtain first ionization e...

Question 17

A single atom of element 114 was recently synthesized. Predict the electronic configuration of this element. Which of the following elements would 114 most resemble?

Accepted Answer

A)   Au
B)   Hg
C)   Tl
D)   Pb
E)   PoF) A) and E)
G) B) and D)

Question 18

What is the wavelength in centimeters of light that has a frequency of 2.33 x 1015 s-1?

Accepted Answer

A)   6.99 x 1025 cm
B)   7.77 x 104 cm
C)   1.290 x 103 cm
D)   1.29 x 10-5 cm
E)   none of the aboveF) D) and E)
G) A) and E)

Question 19

Photochemistry is when light causes a chemical reaction to occur. A simple example is when light breaks a Cl2 molecule apart into 2 Cl atoms. If the energy required to break apart a mole of chlorine molecules is 243 kJ, a photon of what frequency will break apart a single Cl2 molecule?

Accepted Answer

A)   6.1 x 1014 s-1
B)   4.0 x 10-19 s-1
C)   3.7 x 1035 s-1
D)   5.2 x 1015 s-1
E)   none of the above.F) A) and E)
G) A) and B)

Question 20

O2 molecules can dissociate to form O atoms by absorbing electromagnetic radiation. If it takes 498 kJ to dissociate one mole of O2 molecules to form two moles of O atoms, what is the frequency of the light that would have just enough energy to decompose a single O2 molecule into O atoms?

Accepted Answer

A)   1.25 x 1015 s-1
B)   8.27 x 10-19 s-1
C)   7.52 x 1038 s-1
D)   8.0 x 10-16 s-1
E)   5.72 x 1016 s-1F) A) and D)
G) A) and C)

Exam 3: Structure of the Atom

Construct a shell model for calcium, Ca, like Figure 3.9 in the text.

Correct Answer
verified
Calcium has a nuclear charge o...
View Answer

Orbitals for which l = 1 are described by which of the following symbols?

Correct Answer
verified

If green light has a frequency of 5.0 x 10¹⁴ s^-1, what is the wavelength (in meters) of this light?

Correct Answer
verified
C

Arrange the following elements in order of increasing first ionization energy: Ne, Na, Mg

Correct Answer
verified
B

A single atom of element 109 has been synthesized. Predict the electronic configuration of this element. Which of the following elements would 109 most resemble?

Correct Answer
verified

Which of the following subshells would be filled first when electrons are added to a gold atom?

Correct Answer
verified

Correct Answer
verified
The first and second electrons are relat...
View Answer

Which of the following would have the electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁴

Correct Answer
verified

How would you expect the first ionization energy of K to compare to that of Ar?

Correct Answer
verified

Give the abbreviated electron configuration of platinum, Pt.

Correct Answer
verified

Which of the following wavelengths or frequencies of light will have photons with the highest energy?

Correct Answer
verified

Arrange the following ions in order of decreasing ionic radius.

Correct Answer
verified

Which of the following atoms has a core charge of +6?

Correct Answer
verified
E

How many electrons can be placed in a 3d orbital?

Correct Answer
verified

Calculate the maximum number of electrons that can fit into the n = 4 shell of orbitals.

Correct Answer
verified

How do Photoelectron spectroscopy experiments differ from experiments used to obtain first ionization energies?

Correct Answer
verified
Experiments to obtain first ionization e...
View Answer

A single atom of element 114 was recently synthesized. Predict the electronic configuration of this element. Which of the following elements would 114 most resemble?

Correct Answer
verified

What is the wavelength in centimeters of light that has a frequency of 2.33 x 10¹⁵ s^-1?

Correct Answer
verified

Photochemistry is when light causes a chemical reaction to occur. A simple example is when light breaks a Cl₂ molecule apart into 2 Cl atoms. If the energy required to break apart a mole of chlorine molecules is 243 kJ, a photon of what frequency will break apart a single Cl₂ molecule?

Correct Answer
verified

O₂ molecules can dissociate to form O atoms by absorbing electromagnetic radiation. If it takes 498 kJ to dissociate one mole of O₂ molecules to form two moles of O atoms, what is the frequency of the light that would have just enough energy to decompose a single O₂ molecule into O atoms?

Correct Answer
verified

Exam 3: Structure of the Atom

Construct a shell model for calcium, Ca, like Figure 3.9 in the text.

Correct AnswerverifiedCalcium has a nuclear charge o...View AnswerShow Answer

Orbitals for which l = 1 are described by which of the following symbols?

Correct AnswerverifiedShow Answer

If green light has a frequency of 5.0 x 1014 s-1, what is the wavelength (in meters) of this light?

Correct AnswerverifiedC

Arrange the following elements in order of increasing first ionization energy: Ne, Na, Mg

Correct AnswerverifiedB

A single atom of element 109 has been synthesized. Predict the electronic configuration of this element. Which of the following elements would 109 most resemble?

Correct AnswerverifiedShow Answer

Which of the following subshells would be filled first when electrons are added to a gold atom?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedThe first and second electrons are relat...View AnswerShow Answer

Which of the following would have the electron configuration: 1s2 2s2 2p6 3s2 3p6 3d4

Correct AnswerverifiedShow Answer

How would you expect the first ionization energy of K to compare to that of Ar?

Correct AnswerverifiedShow Answer

Give the abbreviated electron configuration of platinum, Pt.

Correct AnswerverifiedShow Answer

Which of the following wavelengths or frequencies of light will have photons with the highest energy?

Correct AnswerverifiedShow Answer

Arrange the following ions in order of decreasing ionic radius.

Correct AnswerverifiedShow Answer

Which of the following atoms has a core charge of +6?

Correct AnswerverifiedE

How many electrons can be placed in a 3d orbital?

Correct AnswerverifiedShow Answer

Calculate the maximum number of electrons that can fit into the n = 4 shell of orbitals.

Correct AnswerverifiedShow Answer

How do Photoelectron spectroscopy experiments differ from experiments used to obtain first ionization energies?

Correct AnswerverifiedExperiments to obtain first ionization e...View AnswerShow Answer

A single atom of element 114 was recently synthesized. Predict the electronic configuration of this element. Which of the following elements would 114 most resemble?

Correct AnswerverifiedShow Answer

What is the wavelength in centimeters of light that has a frequency of 2.33 x 1015 s-1?

Correct AnswerverifiedShow Answer

Photochemistry is when light causes a chemical reaction to occur. A simple example is when light breaks a Cl2 molecule apart into 2 Cl atoms. If the energy required to break apart a mole of chlorine molecules is 243 kJ, a photon of what frequency will break apart a single Cl2 molecule?

Correct AnswerverifiedShow Answer

O2 molecules can dissociate to form O atoms by absorbing electromagnetic radiation. If it takes 498 kJ to dissociate one mole of O2 molecules to form two moles of O atoms, what is the frequency of the light that would have just enough energy to decompose a single O2 molecule into O atoms?

Correct AnswerverifiedShow Answer

Correct Answer
verified
Calcium has a nuclear charge o...
View Answer

Correct Answer
verified

If green light has a frequency of 5.0 x 10¹⁴ s^-1, what is the wavelength (in meters) of this light?

Correct Answer
verified
C

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The first and second electrons are relat...
View Answer

Which of the following would have the electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁴

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
E

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Experiments to obtain first ionization e...
View Answer

Correct Answer
verified

What is the wavelength in centimeters of light that has a frequency of 2.33 x 10¹⁵ s^-1?

Correct Answer
verified

Photochemistry is when light causes a chemical reaction to occur. A simple example is when light breaks a Cl₂ molecule apart into 2 Cl atoms. If the energy required to break apart a mole of chlorine molecules is 243 kJ, a photon of what frequency will break apart a single Cl₂ molecule?

Correct Answer
verified

O₂ molecules can dissociate to form O atoms by absorbing electromagnetic radiation. If it takes 498 kJ to dissociate one mole of O₂ molecules to form two moles of O atoms, what is the frequency of the light that would have just enough energy to decompose a single O₂ molecule into O atoms?

Correct Answer
verified