Question 1

In the following diagram of a wave

Accepted Answer

A)  (a) is amplitude and (b) is wavelength
B)  (a) is frequency and (b) is amplitude
C)  (a) is wavelength and (b) is frequency
D)  (a) is amplitude and (b) is frequency
E)  (a) is wavelength and (b) is amplitudeF) C) and D)
G) B) and E)

Question 2

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, ______ has the shortest wavelength.

Accepted Answer

The answer of The colors of the visible spectrum are...

Question 3

Calculate the energy of a photon of light with a wavelength of 360 nm.

Accepted Answer

5.5 * 10<s...

Question 4

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10-13 J? [mass of an alpha particle = 4.00150 amu; 1 amu = 1.67  * 10-27 kg]

Accepted Answer

6.4 * 10<s...

Question 5

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

Accepted Answer

A)  1.80 * 10-3 nm
B)  556 nm
C)  618 nm
D)  6180 nm
E)  1.61 * 1023 nmF) A) and E)
G) A) and D)

Question 6

If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element?

Accepted Answer

The answer of If one electron is added to the...

Question 7

The electron configuration of a ground-state vanadium atom is

Accepted Answer

A)  [Ar]4s24d3.
B)  [Ar]4s24p3.
C)  [Ar]4s23d3.
D)  [Ar]3d5.E) A) and B)
F) B) and C)

Question 8

With regard to electron behavior, what happens when light is absorbed or emitted by an atom?

Accepted Answer

The electr...

Question 9

Write the ground state electron configuration for a lead atom.

Accepted Answer

The answer of Write the ground state electron configuration for...

Question 10

What is the difference in the electron configuration between carbon-14 and carbon-12?

Accepted Answer

There is n...

Question 11

The bonds of oxygen molecules are broken by sunlight. The minimum energy required to break the oxygen-oxygen bond is 495 kJ/mol. What is the wavelength of sunlight that can cause this bond breakage?

Accepted Answer

The answer of The bonds of oxygen molecules are broken...

Question 12

A ground-state atom of manganese has ___ unpaired electrons and is _____.

Accepted Answer

A)  0, diamagnetic
B)  2, diamagnetic
C)  3, paramagnetic
D)  5, paramagnetic
E)  7, paramagneticF) All of the above
G) C) and E)

Question 13

A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If  Δ\DeltaΔ H for the reaction Cl2(g)  →\rarr→  2Cl(g) is 242.8 kJ/mol, what is the longest wavelength of light that will produce free chlorine atoms in solution?

Accepted Answer

A)  246.3 nm
B)  465.2 nm
C)  349.3 nm
D)  698.6 nm
E)  492.6 nm F) A) and B)
G) A) and C)

Question 14

How many electrons are there in the 2nd principal energy level (n = 2) of a phosphorus atom?

Accepted Answer

A)  3
B)  5
C)  6
D)  8
E)  10F) A) and B)
G) A) and C)

Question 15

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by En = -2.18 * 10-18 J(1/n2)

Accepted Answer

A)  2.07 * 10-29 J
B)  2.19 * 105 J
C)  2.04 * 10-18 J
D)  3.27 * 10-17 J
E)  2.25 * 10-18 JF) A) and B)
G) A) and C)

Question 16

As the frequency of an electromagnetic wave increases

Accepted Answer

A)  its speed must increase.
B)  its wavelength must increase.
C)  its amplitude must increase.
D)  its energy must increase.E) A) and C)
F) C) and D)

Question 17

Which of the following atoms is paramagnetic both in its ground state and in all of its excited states?

Accepted Answer

A)  C
B)  N
C)  O
D)  Ti
E)  CrF) B) and C)
G) A) and E)

Question 18

Calculate the frequency of visible light having a wavelength of 686 nm.

Accepted Answer

A)  4.37 * 1014 /s
B)  4.37 * 105 /s
C)  6.17 * 1014 /s
D)  2.29 * 10-15 /s
E)  2.29 * 10-6 /sF) B) and D)
G) A) and B)

Question 19

Which element has the following ground-state electron configuration? 1s22s22p63s2

Accepted Answer

A)  Na
B)  Mg
C)  Al
D)  Si
E)  NeF) A) and B)
G) A) and E)

Question 20

When photons with a wavelength of 310. nm strike a magnesium plate, the maximum velocity of the ejected electrons is 3.45 *105 m/s. Calculate the binding energy of electrons to the magnesium surface.

Accepted Answer

A)  386 kJ/mol
B)  419 kJ/mol
C)  32.7 kJ/mol
D)  321 kJ/mol
E)  353 kJ/molF) A) and E)
G) D) and E)

Exam 7: The Electronic Structure of Atoms

The colors of the visible spectrum are blue, green, orange, red, violet, and yellow. Of these colors, ______ has the shortest wavelength.

Correct AnswerverifiedShow Answer

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

Correct AnswerverifiedShow Answer

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by En = -2.18 * 10-18 J(1/n2)

Correct AnswerverifiedShow Answer

The electron configuration of a ground-state vanadium atom is

Correct AnswerverifiedShow Answer

The bonds of oxygen molecules are broken by sunlight. The minimum energy required to break the oxygen-oxygen bond is 495 kJ/mol. What is the wavelength of sunlight that can cause this bond breakage?

Correct AnswerverifiedShow Answer

When photons with a wavelength of 310. nm strike a magnesium plate, the maximum velocity of the ejected electrons is 3.45 *105 m/s. Calculate the binding energy of electrons to the magnesium surface.

Correct AnswerverifiedShow Answer

With regard to electron behavior, what happens when light is absorbed or emitted by an atom?

Correct AnswerverifiedThe electr...View AnswerShow Answer

Write the ground state electron configuration for a lead atom.

Correct AnswerverifiedShow Answer

Which element has the following ground-state electron configuration? 1s22s22p63s2

Correct AnswerverifiedShow Answer

Calculate the frequency of visible light having a wavelength of 686 nm.

Correct AnswerverifiedShow Answer

As the frequency of an electromagnetic wave increases

Correct AnswerverifiedShow Answer

Which of the following atoms is paramagnetic both in its ground state and in all of its excited states?

Correct AnswerverifiedShow Answer

A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If Δ\DeltaΔ H for the reaction Cl2(g) →\rarr→ 2Cl(g) is 242.8 kJ/mol, what is the longest wavelength of light that will produce free chlorine atoms in solution?

Correct AnswerverifiedShow Answer

In the following diagram of a wave

Correct AnswerverifiedShow Answer

If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element?

Correct AnswerverifiedShow Answer

What is the difference in the electron configuration between carbon-14 and carbon-12?

Correct AnswerverifiedThere is n...View AnswerShow Answer

How many electrons are there in the 2nd principal energy level (n = 2) of a phosphorus atom?

Correct AnswerverifiedShow Answer

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10-13 J? [mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 * 10-27 kg]

Correct Answerverified6.4 * 10View AnswerShow Answer

A ground-state atom of manganese has ___ unpaired electrons and is _____.

Correct AnswerverifiedShow Answer

Calculate the energy of a photon of light with a wavelength of 360 nm.

Correct Answerverified5.5 * 10View AnswerShow Answer

Correct Answer
verified

What is the wavelength of radiation that has a frequency of 5.39 * 10¹⁴ s^-1? (c = 2.9979 * 10⁸ m/s)

Correct Answer
verified

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by E_n = -2.18 * 10^-18 J(1/n²)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

When photons with a wavelength of 310. nm strike a magnesium plate, the maximum velocity of the ejected electrons is 3.45 *10⁵ m/s. Calculate the binding energy of electrons to the magnesium surface.

Correct Answer
verified

Correct Answer
verified
The electr...
View Answer

Correct Answer
verified

Which element has the following ground-state electron configuration? 1s²2s²2p⁶3s²

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A common way of initiating certain chemical reactions with light involves the generation of free halogen atoms in solution. If $\Delta$ H for the reaction Cl₂(g) $\rarr$ 2Cl(g) is 242.8 kJ/mol, what is the longest wavelength of light that will produce free chlorine atoms in solution?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
There is n...
View Answer

Correct Answer
verified

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10^-13 J? [mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 * 10^-27 kg]

Correct Answer
verified
6.4 * 10
View Answer

A ground-state atom of manganese has _ unpaired electrons and is ___.

Correct Answer
verified

Correct Answer
verified
5.5 * 10
View Answer